725708 has 12 divisors (see below), whose sum is σ = 1275960. Its totient is φ = 361152.

The previous prime is 725687. The next prime is 725723. The reversal of 725708 is 807527.

It is an unprimeable number.

725708 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (106330).

2⁷²⁵⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

725708 is a deficient number, since it is larger than the sum of its proper divisors (550252).

725708 is a wasteful number, since it uses less digits than its factorization.

725708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 725708 is about 851.8849687605. The cubic root of 725708 is about 89.8643223136.

The spelling of 725708 in words is "seven hundred twenty-five thousand, seven hundred eight".