725570722716 has 96 divisors (see below), whose sum is σ = 2048898862080. Its totient is φ = 195089685504.

The previous prime is 725570722627. The next prime is 725570722727. The reversal of 725570722716 is 617227075527.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15912286 + ... + 15957818.

It is an arithmetic number, because the mean of its divisors is an integer number (21342696480).

Almost surely, 2^725570722716 is an apocalyptic number.

It is an amenable number.

725570722716 is an abundant number, since it is smaller than the sum of its proper divisors (1323328139364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725570722716 is a wasteful number, since it uses less digits than its factorization.

725570722716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56723 (or 56721 counting only the distinct ones).

The product of its (nonzero) digits is 2881200, while the sum is 51.

The spelling of 725570722716 in words is "seven hundred twenty-five billion, five hundred seventy million, seven hundred twenty-two thousand, seven hundred sixteen".