It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 67 494 242 is not a prime number.
For example, 67 494 242 can be divided by 2: 67 494 242 / 2 = 33 747 121.
For 67 494 242 to be a prime number, it would have been required that 67 494 242 has only two divisors, i.e., itself and 1.
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67 494 242 is an even number, because it is evenly divisible by 2: 67 494 242 / 2 = 33 747 121.
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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 67 494 242 is about 8 215.488.
Thus, the square root of 67 494 242 is not an integer, and therefore 67 494 242 is not a square number.
The square of a number (here 67 494 242) is the result of the product of this number (67 494 242) by itself (i.e., 67 494 242 × 67 494 242); the square of 67 494 242 is sometimes called "raising 67 494 242 to the power 2", or "67 494 242 squared".
The square of 67 494 242 is 4 555 472 703 154 564 because 67 494 242 × 67 494 242 = 67 494 2422 = 4 555 472 703 154 564.
As a consequence, 67 494 242 is the square root of 4 555 472 703 154 564.
67 494 242 is a number with 8 digits.
The multiples of 67 494 242 are all integers evenly divisible by 67 494 242, that is all numbers such that the remainder of the division by 67 494 242 is zero. There are infinitely many multiples of 67 494 242. The smallest multiples of 67 494 242 are: