725088220 has 24 divisors (see below), whose sum is σ = 1526616000. Its totient is φ = 289286592.

The previous prime is 725088211. The next prime is 725088293. The reversal of 725088220 is 22880527.

It is a congruent number.

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, 38820 + ... + 54379.

It is an arithmetic number, because the mean of its divisors is an integer number (63609000).

Almost surely, 2^725088220 is an apocalyptic number.

It is an amenable number.

725088220 is an abundant number, since it is smaller than the sum of its proper divisors (801527780).

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

725088220 is a wasteful number, since it uses less digits than its factorization.

725088220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93597 (or 93595 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 725088220 is about 26927.4621901136. The cubic root of 725088220 is about 898.3873260318.

The spelling of 725088220 in words is "seven hundred twenty-five million, eighty-eight thousand, two hundred twenty".