It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 338 368 is not a prime number.
For example, 742 338 368 can be divided by 2: 742 338 368 / 2 = 371 169 184.
For 742 338 368 to be a prime number, it would have been required that 742 338 368 has only two divisors, i.e., itself and 1.
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742 338 368 is an even number, because it is evenly divisible by 2: 742 338 368 / 2 = 371 169 184.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 742 338 368 is about 27 245.887.
Thus, the square root of 742 338 368 is not an integer, and therefore 742 338 368 is not a square number.
The square of a number (here 742 338 368) is the result of the product of this number (742 338 368) by itself (i.e., 742 338 368 × 742 338 368); the square of 742 338 368 is sometimes called "raising 742 338 368 to the power 2", or "742 338 368 squared".
The square of 742 338 368 is 551 066 252 604 903 424 because 742 338 368 × 742 338 368 = 742 338 3682 = 551 066 252 604 903 424.
As a consequence, 742 338 368 is the square root of 551 066 252 604 903 424.
742 338 368 is a number with 9 digits.
The multiples of 742 338 368 are all integers evenly divisible by 742 338 368, that is all numbers such that the remainder of the division by 742 338 368 is zero. There are infinitely many multiples of 742 338 368. The smallest multiples of 742 338 368 are: