172984272 has 40 divisors (see below), whose sum is σ = 447890976. Its totient is φ = 57530496.

The previous prime is 172984261. The next prime is 172984291. The reversal of 172984272 is 272489271.

172984272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 18558 + ... + 26274.

Almost surely, 2^172984272 is an apocalyptic number.

172984272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172984272 is an abundant number, since it is smaller than the sum of its proper divisors (274906704).

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

172984272 is a wasteful number, since it uses less digits than its factorization.

172984272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195 (or 8189 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 172984272 is about 13152.3485355278. The cubic root of 172984272 is about 557.1885792476.

The spelling of 172984272 in words is "one hundred seventy-two million, nine hundred eighty-four thousand, two hundred seventy-two".