27932137 has 2 divisors, whose sum is σ = 27932138. Its totient is φ = 27932136.

The previous prime is 27932129. The next prime is 27932161. The reversal of 27932137 is 73123972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27678121 + 254016 = 5261^2 + 504^2 .

It is a cyclic number.

It is not a de Polignac number, because 27932137 - 2³ = 27932129 is a prime.

It is not a weakly prime, because it can be changed into another prime (27932117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13966068 + 13966069.

It is an arithmetic number, because the mean of its divisors is an integer number (13966069).

Almost surely, 2^27932137 is an apocalyptic number.

It is an amenable number.

27932137 is a deficient number, since it is larger than the sum of its proper divisors (1).

27932137 is an equidigital number, since it uses as much as digits as its factorization.

27932137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 34.

The square root of 27932137 is about 5285.0862812257. The cubic root of 27932137 is about 303.4133748708.

The spelling of 27932137 in words is "twenty-seven million, nine hundred thirty-two thousand, one hundred thirty-seven".