715475738 has 4 divisors (see below), whose sum is σ = 1073213610. Its totient is φ = 357737868.

The previous prime is 715475731. The next prime is 715475741. The reversal of 715475738 is 837574517.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 372374209 + 343101529 = 19297^2 + 18523^2 .

It is a junction number, because it is equal to n+sod(n) for n = 715475692 and 715475701.

It is not an unprimeable number, because it can be changed into a prime (715475731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178868933 + ... + 178868936.

Almost surely, 2^715475738 is an apocalyptic number.

715475738 is a deficient number, since it is larger than the sum of its proper divisors (357737872).

715475738 is a wasteful number, since it uses less digits than its factorization.

715475738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357737871.

The product of its digits is 823200, while the sum is 47.

The square root of 715475738 is about 26748.3782312124. The cubic root of 715475738 is about 894.3996839873.

The spelling of 715475738 in words is "seven hundred fifteen million, four hundred seventy-five thousand, seven hundred thirty-eight".