725437264 has 20 divisors (see below), whose sum is σ = 1422471456. Its totient is φ = 358347872.

The previous prime is 725437261. The next prime is 725437301. The reversal of 725437264 is 462734527.

It is a happy number.

725437264 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 not an unprimeable number, because it can be changed into a prime (725437261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271804 + ... + 274459.

Almost surely, 2^725437264 is an apocalyptic number.

It is an amenable number.

725437264 is a deficient number, since it is larger than the sum of its proper divisors (697034192).

725437264 is a wasteful number, since it uses less digits than its factorization.

725437264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546354 (or 546348 counting only the distinct ones).

The product of its digits is 282240, while the sum is 40.

The square root of 725437264 is about 26933.9426003695. The cubic root of 725437264 is about 898.5314585635.

The spelling of 725437264 in words is "seven hundred twenty-five million, four hundred thirty-seven thousand, two hundred sixty-four".