27036864 has 84 divisors (see below), whose sum is σ = 78680056. Its totient is φ = 8875008.

The previous prime is 27036859. The next prime is 27036887. The reversal of 27036864 is 46863072.

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 11 ways as a sum of consecutive naturals, for example, 41727 + ... + 42369.

Almost surely, 2^27036864 is an apocalyptic number.

27036864 is a gapful number since it is divisible by the number (24) 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 27036864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39340028).

27036864 is an abundant number, since it is smaller than the sum of its proper divisors (51643192).

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

27036864 is a wasteful number, since it uses less digits than its factorization.

27036864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 27036864 is about 5199.6984527951. The cubic root of 27036864 is about 300.1364712426.

The spelling of 27036864 in words is "twenty-seven million, thirty-six thousand, eight hundred sixty-four".