725664604223 has 32 divisors (see below), whose sum is σ = 816602472000. Its totient is φ = 640219539456.

The previous prime is 725664604219. The next prime is 725664604229. The reversal of 725664604223 is 322406466527.

It is a cyclic number.

It is not a de Polignac number, because 725664604223 - 2² = 725664604219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725664604229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60220103 + ... + 60232151.

It is an arithmetic number, because the mean of its divisors is an integer number (25518827250).

Almost surely, 2^725664604223 is an apocalyptic number.

725664604223 is a deficient number, since it is larger than the sum of its proper divisors (90937867777).

725664604223 is a wasteful number, since it uses less digits than its factorization.

725664604223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13691.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 725664604223 in words is "seven hundred twenty-five billion, six hundred sixty-four million, six hundred four thousand, two hundred twenty-three".