725625180 has 72 divisors (see below), whose sum is σ = 2515504992. Its totient is φ = 165856896.

The previous prime is 725625169. The next prime is 725625203. The reversal of 725625180 is 81526527.

It is a happy number.

725625180 is a `hidden beast` number, since 7 + 25 + 625 + 1 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286687 + ... + 289206.

Almost surely, 2^725625180 is an apocalyptic number.

725625180 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

725625180 is an abundant number, since it is smaller than the sum of its proper divisors (1789879812).

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

725625180 is a wasteful number, since it uses less digits than its factorization.

725625180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575915 (or 575910 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 725625180 is about 26937.4308351780. The cubic root of 725625180 is about 898.6090365378.

The spelling of 725625180 in words is "seven hundred twenty-five million, six hundred twenty-five thousand, one hundred eighty".