725894432 has 12 divisors (see below), whose sum is σ = 1429104726. Its totient is φ = 362947200.

The previous prime is 725894401. The next prime is 725894459. The reversal of 725894432 is 234498527.

It can be written as a sum of positive squares in only one way, i.e., 715883536 + 10010896 = 26756^2 + 3164^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11342069 + ... + 11342132.

Almost surely, 2^725894432 is an apocalyptic number.

It is an amenable number.

725894432 is a deficient number, since it is larger than the sum of its proper divisors (703210294).

725894432 is a wasteful number, since it uses less digits than its factorization.

725894432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22684211 (or 22684203 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 725894432 is about 26942.4281014165. The cubic root of 725894432 is about 898.7201693774.

The spelling of 725894432 in words is "seven hundred twenty-five million, eight hundred ninety-four thousand, four hundred thirty-two".