725813872 has 30 divisors (see below), whose sum is σ = 1635860328. Its totient is φ = 311062752.

The previous prime is 725813839. The next prime is 725813909. The reversal of 725813872 is 278318527.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 462108 + ... + 463675.

Almost surely, 2^725813872 is an apocalyptic number.

It is an amenable number.

725813872 is an abundant number, since it is smaller than the sum of its proper divisors (910046456).

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

725813872 is a wasteful number, since it uses less digits than its factorization.

725813872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925805 (or 925792 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 725813872 is about 26940.9330202204. The cubic root of 725813872 is about 898.6869213952.

The spelling of 725813872 in words is "seven hundred twenty-five million, eight hundred thirteen thousand, eight hundred seventy-two".