725044238 has 16 divisors (see below), whose sum is σ = 1098900000. Its totient is φ = 358752672.

The previous prime is 725044219. The next prime is 725044241. The reversal of 725044238 is 832440527.

725044238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 725044198 and 725044207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240263 + ... + 243261.

It is an arithmetic number, because the mean of its divisors is an integer number (68681250).

Almost surely, 2^725044238 is an apocalyptic number.

725044238 is a deficient number, since it is larger than the sum of its proper divisors (373855762).

725044238 is a wasteful number, since it uses less digits than its factorization.

725044238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 725044238 is about 26926.6455021787. The cubic root of 725044238 is about 898.3691610374.

The spelling of 725044238 in words is "seven hundred twenty-five million, forty-four thousand, two hundred thirty-eight".