27938272 has 24 divisors (see below), whose sum is σ = 55121472. Its totient is φ = 13939200.

The previous prime is 27938269. The next prime is 27938279. The reversal of 27938272 is 27283972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27938279) 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, 27697 + ... + 28687.

It is an arithmetic number, because the mean of its divisors is an integer number (2296728).

Almost surely, 2^27938272 is an apocalyptic number.

It is an amenable number.

27938272 is a deficient number, since it is larger than the sum of its proper divisors (27183200).

27938272 is an equidigital number, since it uses as much as digits as its factorization.

27938272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1874 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 27938272 is about 5285.6666561561. Note that the first 4 decimals coincide. The cubic root of 27938272 is about 303.4355870965.

The spelling of 27938272 in words is "twenty-seven million, nine hundred thirty-eight thousand, two hundred seventy-two".