27138852 has 72 divisors (see below), whose sum is σ = 74727744. Its totient is φ = 8254656.

The previous prime is 27138847. The next prime is 27138869. The reversal of 27138852 is 25883172.

27138852 is a `hidden beast` number, since 271 + 388 + 5 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47923 + ... + 48485.

Almost surely, 2^27138852 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 27138852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37363872).

27138852 is an abundant number, since it is smaller than the sum of its proper divisors (47588892).

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

27138852 is a wasteful number, since it uses less digits than its factorization.

27138852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 684 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 27138852 is about 5209.4963288211. The cubic root of 27138852 is about 300.5133876094.

The spelling of 27138852 in words is "twenty-seven million, one hundred thirty-eight thousand, eight hundred fifty-two".