725456224 has 12 divisors (see below), whose sum is σ = 1428242004. Its totient is φ = 362728096.

The previous prime is 725456219. The next prime is 725456231. The reversal of 725456224 is 422654527.

725456224 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11335222 + ... + 11335285.

It is an arithmetic number, because the mean of its divisors is an integer number (119020167).

Almost surely, 2^725456224 is an apocalyptic number.

It is an amenable number.

725456224 is a deficient number, since it is larger than the sum of its proper divisors (702785780).

725456224 is a wasteful number, since it uses less digits than its factorization.

725456224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22670517 (or 22670509 counting only the distinct ones).

The product of its digits is 134400, while the sum is 37.

The square root of 725456224 is about 26934.2945703057. The cubic root of 725456224 is about 898.5392864897.

The spelling of 725456224 in words is "seven hundred twenty-five million, four hundred fifty-six thousand, two hundred twenty-four".