715864 has 16 divisors (see below), whose sum is σ = 1374120. Its totient is φ = 349440.

The previous prime is 715859. The next prime is 715867. The reversal of 715864 is 468517.

715864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×715864² = 1024922532992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697 + ... + 1384.

2⁷¹⁵⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

715864 is a deficient number, since it is larger than the sum of its proper divisors (658256).

715864 is a wasteful number, since it uses less digits than its factorization.

715864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2126 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 715864 is about 846.0874659277. The cubic root of 715864 is about 89.4561440515.

The spelling of 715864 in words is "seven hundred fifteen thousand, eight hundred sixty-four".