172472112 has 40 divisors (see below), whose sum is σ = 495060080. Its totient is φ = 57490560.

The previous prime is 172472099. The next prime is 172472129. The reversal of 172472112 is 211274271.

It is a happy number.

172472112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 199189 + ... + 200052.

It is an arithmetic number, because the mean of its divisors is an integer number (12376502).

Almost surely, 2^172472112 is an apocalyptic number.

172472112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172472112 is an abundant number, since it is smaller than the sum of its proper divisors (322587968).

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

172472112 is a wasteful number, since it uses less digits than its factorization.

172472112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399258 (or 399246 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 172472112 is about 13132.8638156344. The cubic root of 172472112 is about 556.6381403783.

The spelling of 172472112 in words is "one hundred seventy-two million, four hundred seventy-two thousand, one hundred twelve".