725710956 has 12 divisors (see below), whose sum is σ = 1693325592. Its totient is φ = 241903648.

The previous prime is 725710913. The next prime is 725710987. The reversal of 725710956 is 659017527.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30237945 + ... + 30237968.

It is an arithmetic number, because the mean of its divisors is an integer number (141110466).

Almost surely, 2^725710956 is an apocalyptic number.

It is an amenable number.

725710956 is an abundant number, since it is smaller than the sum of its proper divisors (967614636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725710956 is a wasteful number, since it uses less digits than its factorization.

725710956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60475920 (or 60475918 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 725710956 is about 26939.0229221477. The cubic root of 725710956 is about 898.6444432712.

The spelling of 725710956 in words is "seven hundred twenty-five million, seven hundred ten thousand, nine hundred fifty-six".