172342332 has 36 divisors (see below), whose sum is σ = 439724376. Its totient is φ = 56909280.

The previous prime is 172342319. The next prime is 172342333. The reversal of 172342332 is 233243271.

172342332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 172342296 and 172342305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172342333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18519 + ... + 26222.

It is an arithmetic number, because the mean of its divisors is an integer number (12214566).

Almost surely, 2^172342332 is an apocalyptic number.

172342332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172342332 is an abundant number, since it is smaller than the sum of its proper divisors (267382044).

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

172342332 is a wasteful number, since it uses less digits than its factorization.

172342332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44858 (or 44853 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 172342332 is about 13127.9218462025. The cubic root of 172342332 is about 556.4984876074.

The spelling of 172342332 in words is "one hundred seventy-two million, three hundred forty-two thousand, three hundred thirty-two".