172330332 has 12 divisors (see below), whose sum is σ = 402104136. Its totient is φ = 57443440.

The previous prime is 172330331. The next prime is 172330357. The reversal of 172330332 is 233033271.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172330331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7180419 + ... + 7180442.

It is an arithmetic number, because the mean of its divisors is an integer number (33508678).

Almost surely, 2^172330332 is an apocalyptic number.

172330332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172330332 is an abundant number, since it is smaller than the sum of its proper divisors (229773804).

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

172330332 is a wasteful number, since it uses less digits than its factorization.

172330332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14360868 (or 14360866 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 172330332 is about 13127.4647971343. The cubic root of 172330332 is about 556.4855711893.

The spelling of 172330332 in words is "one hundred seventy-two million, three hundred thirty thousand, three hundred thirty-two".