725436256 has 24 divisors (see below), whose sum is σ = 1430014824. Its totient is φ = 362257920.

The previous prime is 725436251. The next prime is 725436277. The reversal of 725436256 is 652634527.

725436256 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 (725436251) 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, 11976 + ... + 39928.

It is an arithmetic number, because the mean of its divisors is an integer number (59583951).

Almost surely, 2^725436256 is an apocalyptic number.

It is an amenable number.

725436256 is a deficient number, since it is larger than the sum of its proper divisors (704578568).

725436256 is a wasteful number, since it uses less digits than its factorization.

725436256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28774 (or 28766 counting only the distinct ones).

The product of its digits is 302400, while the sum is 40.

The square root of 725436256 is about 26933.9238879150. The cubic root of 725436256 is about 898.5310423915.

The spelling of 725436256 in words is "seven hundred twenty-five million, four hundred thirty-six thousand, two hundred fifty-six".