27021137 has 16 divisors (see below), whose sum is σ = 32609472. Its totient is φ = 22057920.

The previous prime is 27021131. The next prime is 27021179. The reversal of 27021137 is 73112072.

It is not a de Polignac number, because 27021137 - 2⁴ = 27021121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27021131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2738 + ... + 7844.

It is an arithmetic number, because the mean of its divisors is an integer number (2038092).

Almost surely, 2^27021137 is an apocalyptic number.

It is an amenable number.

27021137 is a deficient number, since it is larger than the sum of its proper divisors (5588335).

27021137 is a wasteful number, since it uses less digits than its factorization.

27021137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 27021137 is about 5198.1859335734. The cubic root of 27021137 is about 300.0782647655.

The spelling of 27021137 in words is "twenty-seven million, twenty-one thousand, one hundred thirty-seven".