27268864 has 36 divisors (see below), whose sum is σ = 62211184. Its totient is φ = 11685888.

The previous prime is 27268847. The next prime is 27268877. The reversal of 27268864 is 46886272.

It is a self number, because there is not a number n which added to its sum of digits gives 27268864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5817 + ... + 9400.

Almost surely, 2^27268864 is an apocalyptic number.

It is an amenable number.

27268864 is an abundant number, since it is smaller than the sum of its proper divisors (34942320).

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

27268864 is an equidigital number, since it uses as much as digits as its factorization.

27268864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15240 (or 15226 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 27268864 is about 5221.9597853679. The cubic root of 27268864 is about 300.9925054149.

The spelling of 27268864 in words is "twenty-seven million, two hundred sixty-eight thousand, eight hundred sixty-four".