172371960 has 48 divisors (see below), whose sum is σ = 560210040. Its totient is φ = 45965760.

The previous prime is 172371949. The next prime is 172371973. The reversal of 172371960 is 69173271.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 239046 + ... + 239765.

Almost surely, 2^172371960 is an apocalyptic number.

172371960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172371960 is an abundant number, since it is smaller than the sum of its proper divisors (387838080).

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

172371960 is a wasteful number, since it uses less digits than its factorization.

172371960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478828 (or 478821 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 172371960 is about 13129.0502322141. The cubic root of 172371960 is about 556.5303756762.

The spelling of 172371960 in words is "one hundred seventy-two million, three hundred seventy-one thousand, nine hundred sixty".