27681712 has 20 divisors (see below), whose sum is σ = 56788776. Its totient is φ = 13026560.

The previous prime is 27681707. The next prime is 27681721. The reversal of 27681712 is 21718672.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50614 + ... + 51157.

Almost surely, 2^27681712 is an apocalyptic number.

It is an amenable number.

27681712 is an abundant number, since it is smaller than the sum of its proper divisors (29107064).

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

27681712 is a wasteful number, since it uses less digits than its factorization.

27681712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101796 (or 101790 counting only the distinct ones).

The product of its digits is 9408, while the sum is 34.

The square root of 27681712 is about 5261.3412738578. The cubic root of 27681712 is about 302.5039026885.

The spelling of 27681712 in words is "twenty-seven million, six hundred eighty-one thousand, seven hundred twelve".