27766272 has 40 divisors (see below), whose sum is σ = 73975176. Its totient is φ = 9254912.

The previous prime is 27766259. The next prime is 27766279. The reversal of 27766272 is 27266772.

It is a self number, because there is not a number n which added to its sum of digits gives 27766272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27766279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7503 + ... + 10574.

Almost surely, 2^27766272 is an apocalyptic number.

It is an amenable number.

27766272 is an abundant number, since it is smaller than the sum of its proper divisors (46208904).

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

27766272 is an equidigital number, since it uses as much as digits as its factorization.

27766272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18098 (or 18082 counting only the distinct ones).

The product of its digits is 98784, while the sum is 39.

The square root of 27766272 is about 5269.3711199725. The cubic root of 27766272 is about 302.8116115926.

Subtracting from 27766272 its reverse (27266772), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 27766272 in words is "twenty-seven million, seven hundred sixty-six thousand, two hundred seventy-two".