725536464 has 40 divisors (see below), whose sum is σ = 1875385920. Its totient is φ = 241705728.

The previous prime is 725536459. The next prime is 725536499. The reversal of 725536464 is 464635527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110917 + ... + 117275.

It is an arithmetic number, because the mean of its divisors is an integer number (46884648).

Almost surely, 2^725536464 is an apocalyptic number.

It is an amenable number.

725536464 is an abundant number, since it is smaller than the sum of its proper divisors (1149849456).

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

725536464 is a wasteful number, since it uses less digits than its factorization.

725536464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747 (or 8741 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The square root of 725536464 is about 26935.7840799187. The cubic root of 725536464 is about 898.5724132918.

The spelling of 725536464 in words is "seven hundred twenty-five million, five hundred thirty-six thousand, four hundred sixty-four".