172604475390 has 16 divisors (see below), whose sum is σ = 414250741008. Its totient is φ = 46027860096.

The previous prime is 172604475359. The next prime is 172604475401. The reversal of 172604475390 is 93574406271.

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, 2876741227 + ... + 2876741286.

It is an arithmetic number, because the mean of its divisors is an integer number (25890671313).

Almost surely, 2^172604475390 is an apocalyptic number.

172604475390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172604475390 is an abundant number, since it is smaller than the sum of its proper divisors (241646265618).

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

172604475390 is a wasteful number, since it uses less digits than its factorization.

172604475390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753482523.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 172604475390 in words is "one hundred seventy-two billion, six hundred four million, four hundred seventy-five thousand, three hundred ninety".