27256656 has 80 divisors (see below), whose sum is σ = 83994624. Its totient is φ = 7446912.

The previous prime is 27256651. The next prime is 27256673. The reversal of 27256656 is 65665272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27256651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5965 + ... + 9491.

Almost surely, 2^27256656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27256656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41997312).

27256656 is an abundant number, since it is smaller than the sum of its proper divisors (56737968).

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

27256656 is a wasteful number, since it uses less digits than its factorization.

27256656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568 (or 3562 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 27256656 is about 5220.7907447053. The cubic root of 27256656 is about 300.9475815903.

The spelling of 27256656 in words is "twenty-seven million, two hundred fifty-six thousand, six hundred fifty-six".