172352992 has 36 divisors (see below), whose sum is σ = 394722720. Its totient is φ = 73864896.

The previous prime is 172352989. The next prime is 172353037. The reversal of 172352992 is 299253271.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 53392 + ... + 56527.

It is an arithmetic number, because the mean of its divisors is an integer number (10964520).

Almost surely, 2^172352992 is an apocalyptic number.

It is an amenable number.

172352992 is an abundant number, since it is smaller than the sum of its proper divisors (222369728).

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

172352992 is a wasteful number, since it uses less digits than its factorization.

172352992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109943 (or 109928 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 172352992 is about 13128.3278447790. The cubic root of 172352992 is about 556.5099611893.

The spelling of 172352992 in words is "one hundred seventy-two million, three hundred fifty-two thousand, nine hundred ninety-two".