It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 738 679 is not a prime number.
For example, 738 679 can be divided by 691: 738 679 / 691 = 1 069.
For 738 679 to be a prime number, it would have been required that 738 679 has only two divisors, i.e., itself and 1.
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738 679 is an odd number, because it is not evenly divisible by 2.
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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 738 679 is about 859.464.
Thus, the square root of 738 679 is not an integer, and therefore 738 679 is not a square number.
The square of a number (here 738 679) is the result of the product of this number (738 679) by itself (i.e., 738 679 × 738 679); the square of 738 679 is sometimes called "raising 738 679 to the power 2", or "738 679 squared".
The square of 738 679 is 545 646 665 041 because 738 679 × 738 679 = 738 6792 = 545 646 665 041.
As a consequence, 738 679 is the square root of 545 646 665 041.
The multiples of 738 679 are all integers evenly divisible by 738 679, that is all numbers such that the remainder of the division by 738 679 is zero. There are infinitely many multiples of 738 679. The smallest multiples of 738 679 are: