725636012 has 12 divisors (see below), whose sum is σ = 1270904880. Its totient is φ = 362520336.

The previous prime is 725635997. The next prime is 725636033. The reversal of 725636012 is 210636527.

It is a super-2 number, since 2×725636012² = 1053095243822528288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725636012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68888 + ... + 78719.

It is an arithmetic number, because the mean of its divisors is an integer number (105908740).

Almost surely, 2^725636012 is an apocalyptic number.

It is an amenable number.

725636012 is a deficient number, since it is larger than the sum of its proper divisors (545268868).

725636012 is a wasteful number, since it uses less digits than its factorization.

725636012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148840 (or 148838 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 725636012 is about 26937.6318929486. The cubic root of 725636012 is about 898.6135079394.

The spelling of 725636012 in words is "seven hundred twenty-five million, six hundred thirty-six thousand, twelve".