It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 62 742 238 is not a prime number.
For example, 62 742 238 can be divided by 2: 62 742 238 / 2 = 31 371 119.
For 62 742 238 to be a prime number, it would have been required that 62 742 238 has only two divisors, i.e., itself and 1.
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62 742 238 is an even number, because it is evenly divisible by 2: 62 742 238 / 2 = 31 371 119.
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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 62 742 238 is about 7 921.000.
Thus, the square root of 62 742 238 is not an integer, and therefore 62 742 238 is not a square number.
The square of a number (here 62 742 238) is the result of the product of this number (62 742 238) by itself (i.e., 62 742 238 × 62 742 238); the square of 62 742 238 is sometimes called "raising 62 742 238 to the power 2", or "62 742 238 squared".
The square of 62 742 238 is 3 936 588 429 248 644 because 62 742 238 × 62 742 238 = 62 742 2382 = 3 936 588 429 248 644.
As a consequence, 62 742 238 is the square root of 3 936 588 429 248 644.
62 742 238 is a number with 8 digits.
The multiples of 62 742 238 are all integers evenly divisible by 62 742 238, that is all numbers such that the remainder of the division by 62 742 238 is zero. There are infinitely many multiples of 62 742 238. The smallest multiples of 62 742 238 are: