725570722715 has 16 divisors (see below), whose sum is σ = 878751984000. Its totient is φ = 575079460992.

The previous prime is 725570722627. The next prime is 725570722727. The reversal of 725570722715 is 517227075527.

It is a cyclic number.

It is not a de Polignac number, because 725570722715 - 2²⁴ = 725553945499 is a prime.

It is a super-2 number, since 2×725570722715² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6689486 + ... + 6797084.

It is an arithmetic number, because the mean of its divisors is an integer number (54921999000).

Almost surely, 2^725570722715 is an apocalyptic number.

725570722715 is a deficient number, since it is larger than the sum of its proper divisors (153181261285).

725570722715 is a wasteful number, since it uses less digits than its factorization.

725570722715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120086.

The product of its (nonzero) digits is 2401000, while the sum is 50.

The spelling of 725570722715 in words is "seven hundred twenty-five billion, five hundred seventy million, seven hundred twenty-two thousand, seven hundred fifteen".