725915264 has 16 divisors (see below), whose sum is σ = 1446159570. Its totient is φ = 362957568.

The previous prime is 725915243. The next prime is 725915297. The reversal of 725915264 is 462519527.

It can be written as a sum of positive squares in only one way, i.e., 609102400 + 116812864 = 24680^2 + 10808^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2835479 + ... + 2835734.

Almost surely, 2^725915264 is an apocalyptic number.

It is an amenable number.

725915264 is a deficient number, since it is larger than the sum of its proper divisors (720244306).

725915264 is an equidigital number, since it uses as much as digits as its factorization.

725915264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671227 (or 5671215 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 725915264 is about 26942.8147007695. The cubic root of 725915264 is about 898.7287665685.

The spelling of 725915264 in words is "seven hundred twenty-five million, nine hundred fifteen thousand, two hundred sixty-four".