27213056 has 108 divisors (see below), whose sum is σ = 63962892. Its totient is φ = 11501568.

The previous prime is 27213041. The next prime is 27213061. The reversal of 27213056 is 65031272.

It can be written as a sum of positive squares in 6 ways, for example, as 6400 + 27206656 = 80^2 + 5216^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735470 + ... + 735506.

It is an arithmetic number, because the mean of its divisors is an integer number (592249).

Almost surely, 2^27213056 is an apocalyptic number.

27213056 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 27213056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31981446).

27213056 is an abundant number, since it is smaller than the sum of its proper divisors (36749836).

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

27213056 is a wasteful number, since it uses less digits than its factorization.

27213056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 27213056 is about 5216.6134608575. The cubic root of 27213056 is about 300.7870297712.

The spelling of 27213056 in words is "twenty-seven million, two hundred thirteen thousand, fifty-six".