It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 742 484 is not a prime number.
For example, 742 484 can be divided by 2: 742 484 / 2 = 371 242.
For 742 484 to be a prime number, it would have been required that 742 484 has only two divisors, i.e., itself and 1.
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742 484 is an even number, because it is evenly divisible by 2: 742 484 / 2 = 371 242.
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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 742 484 is about 861.675.
Thus, the square root of 742 484 is not an integer, and therefore 742 484 is not a square number.
The square of a number (here 742 484) is the result of the product of this number (742 484) by itself (i.e., 742 484 × 742 484); the square of 742 484 is sometimes called "raising 742 484 to the power 2", or "742 484 squared".
The square of 742 484 is 551 282 490 256 because 742 484 × 742 484 = 742 4842 = 551 282 490 256.
As a consequence, 742 484 is the square root of 551 282 490 256.
The multiples of 742 484 are all integers evenly divisible by 742 484, that is all numbers such that the remainder of the division by 742 484 is zero. There are infinitely many multiples of 742 484. The smallest multiples of 742 484 are: