27021172 has 12 divisors (see below), whose sum is σ = 47496960. Its totient is φ = 13450616.

The previous prime is 27021131. The next prime is 27021179. The reversal of 27021172 is 27112072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27021179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13972 + ... + 15787.

It is an arithmetic number, because the mean of its divisors is an integer number (3958080).

Almost surely, 2^27021172 is an apocalyptic number.

It is an amenable number.

27021172 is a deficient number, since it is larger than the sum of its proper divisors (20475788).

27021172 is a wasteful number, since it uses less digits than its factorization.

27021172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29990 (or 29988 counting only the distinct ones).

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

The square root of 27021172 is about 5198.1893001313. The cubic root of 27021172 is about 300.0783943275.

The spelling of 27021172 in words is "twenty-seven million, twenty-one thousand, one hundred seventy-two".