It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 62 742 242 is not a prime number.
For example, 62 742 242 can be divided by 2: 62 742 242 / 2 = 31 371 121.
For 62 742 242 to be a prime number, it would have been required that 62 742 242 has only two divisors, i.e., itself and 1.
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62 742 242 is an even number, because it is evenly divisible by 2: 62 742 242 / 2 = 31 371 121.
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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 62 742 242 is about 7 921.000.
Thus, the square root of 62 742 242 is not an integer, and therefore 62 742 242 is not a square number.
The square of a number (here 62 742 242) is the result of the product of this number (62 742 242) by itself (i.e., 62 742 242 × 62 742 242); the square of 62 742 242 is sometimes called "raising 62 742 242 to the power 2", or "62 742 242 squared".
The square of 62 742 242 is 3 936 588 931 186 564 because 62 742 242 × 62 742 242 = 62 742 2422 = 3 936 588 931 186 564.
As a consequence, 62 742 242 is the square root of 3 936 588 931 186 564.
62 742 242 is a number with 8 digits.
The multiples of 62 742 242 are all integers evenly divisible by 62 742 242, that is all numbers such that the remainder of the division by 62 742 242 is zero. There are infinitely many multiples of 62 742 242. The smallest multiples of 62 742 242 are: