725865312 has 48 divisors (see below), whose sum is σ = 1951880112. Its totient is φ = 236052480.

The previous prime is 725865307. The next prime is 725865313. The reversal of 725865312 is 213568527.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725865313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88273 + ... + 96144.

It is an arithmetic number, because the mean of its divisors is an integer number (40664169).

Almost surely, 2^725865312 is an apocalyptic number.

It is an amenable number.

725865312 is an abundant number, since it is smaller than the sum of its proper divisors (1226014800).

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

725865312 is a wasteful number, since it uses less digits than its factorization.

725865312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184471 (or 184463 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 725865312 is about 26941.8876844218. The cubic root of 725865312 is about 898.7081515227.

The spelling of 725865312 in words is "seven hundred twenty-five million, eight hundred sixty-five thousand, three hundred twelve".