27868736 has 28 divisors (see below), whose sum is σ = 63203328. Its totient is φ = 11943552.

The previous prime is 27868723. The next prime is 27868747. The reversal of 27868736 is 63786872.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

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, 30656 + ... + 31551.

Almost surely, 2^27868736 is an apocalyptic number.

It is an amenable number.

27868736 is an abundant number, since it is smaller than the sum of its proper divisors (35334592).

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

27868736 is an equidigital number, since it uses as much as digits as its factorization.

27868736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62226 (or 62216 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 27868736 is about 5279.0847691622. The cubic root of 27868736 is about 303.1836361007.

The spelling of 27868736 in words is "twenty-seven million, eight hundred sixty-eight thousand, seven hundred thirty-six".