27387120 has 40 divisors (see below), whose sum is σ = 84900816. Its totient is φ = 7303168.

The previous prime is 27387091. The next prime is 27387161. The reversal of 27387120 is 2178372.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56817 + ... + 57296.

Almost surely, 2^27387120 is an apocalyptic number.

27387120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27387120 is an abundant number, since it is smaller than the sum of its proper divisors (57513696).

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

27387120 is a wasteful number, since it uses less digits than its factorization.

27387120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114129 (or 114123 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 27387120 is about 5233.2704879454. The cubic root of 27387120 is about 301.4269794480.

The spelling of 27387120 in words is "twenty-seven million, three hundred eighty-seven thousand, one hundred twenty".