172033872 has 40 divisors (see below), whose sum is σ = 445042944. Its totient is φ = 57264384.

The previous prime is 172033871. The next prime is 172033879. The reversal of 172033872 is 278330271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172033871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39348 + ... + 43500.

Almost surely, 2^172033872 is an apocalyptic number.

172033872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172033872 is an abundant number, since it is smaller than the sum of its proper divisors (273009072).

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

172033872 is a wasteful number, since it uses less digits than its factorization.

172033872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 172033872 is about 13116.1683429270. The cubic root of 172033872 is about 556.1662805114.

The spelling of 172033872 in words is "one hundred seventy-two million, thirty-three thousand, eight hundred seventy-two".