It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 738 688 is not a prime number.
For example, 738 688 can be divided by 2: 738 688 / 2 = 369 344.
For 738 688 to be a prime number, it would have been required that 738 688 has only two divisors, i.e., itself and 1.
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738 688 is an even number, because it is evenly divisible by 2: 738 688 / 2 = 369 344.
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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 738 688 is about 859.470.
Thus, the square root of 738 688 is not an integer, and therefore 738 688 is not a square number.
The square of a number (here 738 688) is the result of the product of this number (738 688) by itself (i.e., 738 688 × 738 688); the square of 738 688 is sometimes called "raising 738 688 to the power 2", or "738 688 squared".
The square of 738 688 is 545 659 961 344 because 738 688 × 738 688 = 738 6882 = 545 659 961 344.
As a consequence, 738 688 is the square root of 545 659 961 344.
The multiples of 738 688 are all integers evenly divisible by 738 688, that is all numbers such that the remainder of the division by 738 688 is zero. There are infinitely many multiples of 738 688. The smallest multiples of 738 688 are: