27272256 has 112 divisors (see below), whose sum is σ = 81076800. Its totient is φ = 8017920.

The previous prime is 27272249. The next prime is 27272279. The reversal of 27272256 is 65227272.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77970 + ... + 78318.

It is an arithmetic number, because the mean of its divisors is an integer number (723900).

Almost surely, 2^27272256 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 27272256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40538400).

27272256 is an abundant number, since it is smaller than the sum of its proper divisors (53804544).

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

27272256 is a wasteful number, since it uses less digits than its factorization.

27272256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 402 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 27272256 is about 5222.2845575476. The cubic root of 27272256 is about 301.0049851457.

The spelling of 27272256 in words is "twenty-seven million, two hundred seventy-two thousand, two hundred fifty-six".