27029239 has 2 divisors, whose sum is σ = 27029240. Its totient is φ = 27029238.

The previous prime is 27029221. The next prime is 27029243. The reversal of 27029239 is 93292072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27029239 - 2⁷ = 27029111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27029339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13514619 + 13514620.

It is an arithmetic number, because the mean of its divisors is an integer number (13514620).

Almost surely, 2^27029239 is an apocalyptic number.

27029239 is a deficient number, since it is larger than the sum of its proper divisors (1).

27029239 is an equidigital number, since it uses as much as digits as its factorization.

27029239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 27029239 is about 5198.9651854961. The cubic root of 27029239 is about 300.1082535251.

The spelling of 27029239 in words is "twenty-seven million, twenty-nine thousand, two hundred thirty-nine".