172000344 has 32 divisors (see below), whose sum is σ = 440003520. Its totient is φ = 55999776.

The previous prime is 172000327. The next prime is 172000357. The reversal of 172000344 is 443000271.

It is a super-2 number, since 2×172000344² = 59168236672236672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172000344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82302 + ... + 84365.

It is an arithmetic number, because the mean of its divisors is an integer number (13750110).

Almost surely, 2^172000344 is an apocalyptic number.

It is an amenable number.

172000344 is an abundant number, since it is smaller than the sum of its proper divisors (268003176).

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

172000344 is a wasteful number, since it uses less digits than its factorization.

172000344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166719 (or 166715 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 172000344 is about 13114.8901634745. The cubic root of 172000344 is about 556.1301474051.

The spelling of 172000344 in words is "one hundred seventy-two million, three hundred forty-four", and thus it is an aban number.