27768612 has 12 divisors (see below), whose sum is σ = 64793456. Its totient is φ = 9256200.

The previous prime is 27768607. The next prime is 27768617. The reversal of 27768612 is 21686772.

It is an interprime number because it is at equal distance from previous prime (27768607) and next prime (27768617).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (27768617) 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, 1157014 + ... + 1157037.

Almost surely, 2^27768612 is an apocalyptic number.

It is an amenable number.

27768612 is an abundant number, since it is smaller than the sum of its proper divisors (37024844).

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

27768612 is a wasteful number, since it uses less digits than its factorization.

27768612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314058 (or 2314056 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 27768612 is about 5269.5931531761. The cubic root of 27768612 is about 302.8201178271.

The spelling of 27768612 in words is "twenty-seven million, seven hundred sixty-eight thousand, six hundred twelve".