725168580 has 24 divisors (see below), whose sum is σ = 2030472192. Its totient is φ = 193378272.

The previous prime is 725168569. The next prime is 725168597. The reversal of 725168580 is 85861527.

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, 6043012 + ... + 6043131.

It is an arithmetic number, because the mean of its divisors is an integer number (84603008).

Almost surely, 2^725168580 is an apocalyptic number.

It is an amenable number.

725168580 is an abundant number, since it is smaller than the sum of its proper divisors (1305303612).

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

725168580 is a wasteful number, since it uses less digits than its factorization.

725168580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12086155 (or 12086153 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 725168580 is about 26928.9543057282. The cubic root of 725168580 is about 898.4205135974.

The spelling of 725168580 in words is "seven hundred twenty-five million, one hundred sixty-eight thousand, five hundred eighty".