27187056 has 160 divisors (see below), whose sum is σ = 86661120. Its totient is φ = 8107776.

The previous prime is 27187033. The next prime is 27187067. The reversal of 27187056 is 65078172.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 27187056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263901 + ... + 264003.

It is an arithmetic number, because the mean of its divisors is an integer number (541632).

Almost surely, 2^27187056 is an apocalyptic number.

27187056 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 27187056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43330560).

27187056 is an abundant number, since it is smaller than the sum of its proper divisors (59474064).

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

27187056 is a wasteful number, since it uses less digits than its factorization.

27187056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 27187056 is about 5214.1208271386. The cubic root of 27187056 is about 300.6912062234.

The spelling of 27187056 in words is "twenty-seven million, one hundred eighty-seven thousand, fifty-six".