27274939 has 2 divisors, whose sum is σ = 27274940. Its totient is φ = 27274938.

The previous prime is 27274931. The next prime is 27274967. The reversal of 27274939 is 93947272.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27274939 - 2³ = 27274931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27274895 and 27274904.

It is not a weakly prime, because it can be changed into another prime (27274931) 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 as a sum of consecutive naturals, namely, 13637469 + 13637470.

It is an arithmetic number, because the mean of its divisors is an integer number (13637470).

Almost surely, 2^27274939 is an apocalyptic number.

27274939 is a deficient number, since it is larger than the sum of its proper divisors (1).

27274939 is an equidigital number, since it uses as much as digits as its factorization.

27274939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 27274939 is about 5222.5414311425. The cubic root of 27274939 is about 301.0148556150.

The spelling of 27274939 in words is "twenty-seven million, two hundred seventy-four thousand, nine hundred thirty-nine".