715991714 has 4 divisors (see below), whose sum is σ = 1073987574. Its totient is φ = 357995856.

The previous prime is 715991713. The next prime is 715991723. The reversal of 715991714 is 417199517.

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., 623351089 + 92640625 = 24967^2 + 9625^2 .

It is not an unprimeable number, because it can be changed into a prime (715991711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178997927 + ... + 178997930.

Almost surely, 2^715991714 is an apocalyptic number.

715991714 is a deficient number, since it is larger than the sum of its proper divisors (357995860).

715991714 is a wasteful number, since it uses less digits than its factorization.

715991714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357995859.

The product of its digits is 79380, while the sum is 44.

The square root of 715991714 is about 26758.0214888919. The cubic root of 715991714 is about 894.6146355479.

The spelling of 715991714 in words is "seven hundred fifteen million, nine hundred ninety-one thousand, seven hundred fourteen".