172268112 has 20 divisors (see below), whose sum is σ = 445026080. Its totient is φ = 57422688.

The previous prime is 172268099. The next prime is 172268153. The reversal of 172268112 is 211862271.

It is a self number, because there is not a number n which added to its sum of digits gives 172268112.

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, 1794412 + ... + 1794507.

It is an arithmetic number, because the mean of its divisors is an integer number (22251304).

Almost surely, 2^172268112 is an apocalyptic number.

172268112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172268112 is an abundant number, since it is smaller than the sum of its proper divisors (272757968).

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

172268112 is a wasteful number, since it uses less digits than its factorization.

172268112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588930 (or 3588924 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 172268112 is about 13125.0947425152. The cubic root of 172268112 is about 556.4185899451.

The spelling of 172268112 in words is "one hundred seventy-two million, two hundred sixty-eight thousand, one hundred twelve".