172330956 has 48 divisors (see below), whose sum is σ = 510612480. Its totient is φ = 49237200.

The previous prime is 172330937. The next prime is 172330979. The reversal of 172330956 is 659033271.

172330956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 172330956.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113220 + ... + 114731.

It is an arithmetic number, because the mean of its divisors is an integer number (10637760).

Almost surely, 2^172330956 is an apocalyptic number.

It is an amenable number.

172330956 is an abundant number, since it is smaller than the sum of its proper divisors (338281524).

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

172330956 is a wasteful number, since it uses less digits than its factorization.

172330956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227971 (or 227963 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 172330956 is about 13127.4885640781. The cubic root of 172330956 is about 556.4862428578.

The spelling of 172330956 in words is "one hundred seventy-two million, three hundred thirty thousand, nine hundred fifty-six".