725972 has 24 divisors (see below), whose sum is σ = 1430016. Its totient is φ = 319968.

The previous prime is 725953. The next prime is 725981. The reversal of 725972 is 279527.

725972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (59584).

2⁷²⁵⁹⁷² is an apocalyptic number.

It is an amenable number.

725972 is a deficient number, since it is larger than the sum of its proper divisors (704044).

725972 is a wasteful number, since it uses less digits than its factorization.

725972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 725972 is about 852.0399051688. The cubic root of 725972 is about 89.8752180204.

The spelling of 725972 in words is "seven hundred twenty-five thousand, nine hundred seventy-two".