27340459 has 2 divisors, whose sum is σ = 27340460. Its totient is φ = 27340458.

The previous prime is 27340441. The next prime is 27340483. The reversal of 27340459 is 95404372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27340459 - 2¹⁵ = 27307691 is a prime.

It is not a weakly prime, because it can be changed into another prime (27340409) 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, 13670229 + 13670230.

It is an arithmetic number, because the mean of its divisors is an integer number (13670230).

Almost surely, 2^27340459 is an apocalyptic number.

27340459 is a deficient number, since it is larger than the sum of its proper divisors (1).

27340459 is an equidigital number, since it uses as much as digits as its factorization.

27340459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 27340459 is about 5228.8104765807. The cubic root of 27340459 is about 301.2556960178.

The spelling of 27340459 in words is "twenty-seven million, three hundred forty thousand, four hundred fifty-nine".