27102172 has 12 divisors (see below), whose sum is σ = 47469240. Its totient is φ = 13539536.

The previous prime is 27102161. The next prime is 27102223. The reversal of 27102172 is 27120172.

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, 4479 + ... + 8617.

It is an arithmetic number, because the mean of its divisors is an integer number (3955770).

Almost surely, 2^27102172 is an apocalyptic number.

It is an amenable number.

27102172 is a deficient number, since it is larger than the sum of its proper divisors (20367068).

27102172 is a wasteful number, since it uses less digits than its factorization.

27102172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780 (or 5778 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 27102172 is about 5205.9746445791. The cubic root of 27102172 is about 300.3779384899.

The spelling of 27102172 in words is "twenty-seven million, one hundred two thousand, one hundred seventy-two".