It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 790 674 is not a prime number.
For example, 790 674 can be divided by 2: 790 674 / 2 = 395 337.
For 790 674 to be a prime number, it would have been required that 790 674 has only two divisors, i.e., itself and 1.
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790 674 is an even number, because it is evenly divisible by 2: 790 674 / 2 = 395 337.
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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 790 674 is about 889.199.
Thus, the square root of 790 674 is not an integer, and therefore 790 674 is not a square number.
The square of a number (here 790 674) is the result of the product of this number (790 674) by itself (i.e., 790 674 × 790 674); the square of 790 674 is sometimes called "raising 790 674 to the power 2", or "790 674 squared".
The square of 790 674 is 625 165 374 276 because 790 674 × 790 674 = 790 6742 = 625 165 374 276.
As a consequence, 790 674 is the square root of 625 165 374 276.
The multiples of 790 674 are all integers evenly divisible by 790 674, that is all numbers such that the remainder of the division by 790 674 is zero. There are infinitely many multiples of 790 674. The smallest multiples of 790 674 are: