27988272 has 60 divisors (see below), whose sum is σ = 84359184. Its totient is φ = 8611200.

The previous prime is 27988237. The next prime is 27988291. The reversal of 27988272 is 27288972.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5604 + ... + 9347.

Almost surely, 2^27988272 is an apocalyptic number.

It is an amenable number.

27988272 is an abundant number, since it is smaller than the sum of its proper divisors (56370912).

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

27988272 is a wasteful number, since it uses less digits than its factorization.

27988272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14978 (or 14969 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 27988272 is about 5290.3943142265. The cubic root of 27988272 is about 303.6164947008.

The spelling of 27988272 in words is "twenty-seven million, nine hundred eighty-eight thousand, two hundred seventy-two".