27716868 has 36 divisors (see below), whose sum is σ = 74185020. Its totient is φ = 8695296.

The previous prime is 27716867. The next prime is 27716869. The reversal of 27716868 is 86861772.

It is an interprime number because it is at equal distance from previous prime (27716867) and next prime (27716869).

It can be written as a sum of positive squares in 2 ways, for example, as 22297284 + 5419584 = 4722^2 + 2328^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (27716867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22033 + ... + 23256.

It is an arithmetic number, because the mean of its divisors is an integer number (2060695).

Almost surely, 2^27716868 is an apocalyptic number.

It is an amenable number.

27716868 is an abundant number, since it is smaller than the sum of its proper divisors (46468152).

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

27716868 is a wasteful number, since it uses less digits than its factorization.

27716868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45316 (or 45311 counting only the distinct ones).

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

The square root of 27716868 is about 5264.6811869286. The cubic root of 27716868 is about 302.6319093218.

The spelling of 27716868 in words is "twenty-seven million, seven hundred sixteen thousand, eight hundred sixty-eight".