27272856 has 64 divisors (see below), whose sum is σ = 74682720. Its totient is φ = 8248320.

The previous prime is 27272851. The next prime is 27272857. The reversal of 27272856 is 65827272.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27272851) 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, 18316 + ... + 19748.

Almost surely, 2^27272856 is an apocalyptic number.

27272856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27272856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37341360).

27272856 is an abundant number, since it is smaller than the sum of its proper divisors (47409864).

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

27272856 is a wasteful number, since it uses less digits than its factorization.

27272856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1512 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 27272856 is about 5222.3420033544. The cubic root of 27272856 is about 301.0071925376.

The spelling of 27272856 in words is "twenty-seven million, two hundred seventy-two thousand, eight hundred fifty-six".