172834672 has 20 divisors (see below), whose sum is σ = 345670336. Its totient is φ = 83629440.

The previous prime is 172834667. The next prime is 172834687. The reversal of 172834672 is 276438271.

172834672 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173733 + ... + 174724.

Almost surely, 2^172834672 is an apocalyptic number.

It is an amenable number.

172834672 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

172834672 is a wasteful number, since it uses less digits than its factorization.

172834672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348496 (or 348490 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 172834672 is about 13146.6601081796. The cubic root of 172834672 is about 557.0279105904.

The spelling of 172834672 in words is "one hundred seventy-two million, eight hundred thirty-four thousand, six hundred seventy-two".