725715 has 12 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 387024.

The previous prime is 725687. The next prime is 725723. The reversal of 725715 is 517527.

725715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725715 - 2⁷ = 725587 is a prime.

It is a super-2 number, since 2×725715² = 1053324522450, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 725715.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8019 + ... + 8108.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2⁷²⁵⁷¹⁵ is an apocalyptic number.

725715 is a deficient number, since it is larger than the sum of its proper divisors (532269).

725715 is a wasteful number, since it uses less digits than its factorization.

725715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16138 (or 16135 counting only the distinct ones).

The product of its digits is 2450, while the sum is 27.

The square root of 725715 is about 851.8890772865. The cubic root of 725715 is about 89.8646112490.

The spelling of 725715 in words is "seven hundred twenty-five thousand, seven hundred fifteen".