725213400728 has 16 divisors (see below), whose sum is σ = 1360663310760. Its totient is φ = 362369851200.

The previous prime is 725213400713. The next prime is 725213400733. The reversal of 725213400728 is 827004312527.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29593133 + ... + 29617628.

Almost surely, 2^725213400728 is an apocalyptic number.

It is an amenable number.

725213400728 is a deficient number, since it is larger than the sum of its proper divisors (635449910032).

725213400728 is a wasteful number, since it uses less digits than its factorization.

725213400728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59212298 (or 59212294 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 725213400728 in words is "seven hundred twenty-five billion, two hundred thirteen million, four hundred thousand, seven hundred twenty-eight".