109792172 has 24 divisors (see below), whose sum is σ = 225521184. Its totient is φ = 45781632.

The previous prime is 109792159. The next prime is 109792181. The reversal of 109792172 is 271297901.

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, 51953 + ... + 54024.

It is an arithmetic number, because the mean of its divisors is an integer number (9396716).

Almost surely, 2^109792172 is an apocalyptic number.

It is an amenable number.

109792172 is an abundant number, since it is smaller than the sum of its proper divisors (115729012).

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

109792172 is a wasteful number, since it uses less digits than its factorization.

109792172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106025 (or 106023 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 109792172 is about 10478.1759863060. The cubic root of 109792172 is about 478.8400405559.

The spelling of 109792172 in words is "one hundred nine million, seven hundred ninety-two thousand, one hundred seventy-two".