27340057 has 2 divisors, whose sum is σ = 27340058. Its totient is φ = 27340056.

The previous prime is 27340037. The next prime is 27340067. The reversal of 27340057 is 75004372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26790976 + 549081 = 5176^2 + 741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27340057 is a prime.

It is not a weakly prime, because it can be changed into another prime (27340007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13670028 + 13670029.

It is an arithmetic number, because the mean of its divisors is an integer number (13670029).

Almost surely, 2^27340057 is an apocalyptic number.

It is an amenable number.

27340057 is a deficient number, since it is larger than the sum of its proper divisors (1).

27340057 is an equidigital number, since it uses as much as digits as its factorization.

27340057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 27340057 is about 5228.7720355739. The cubic root of 27340057 is about 301.2542195078.

The spelling of 27340057 in words is "twenty-seven million, three hundred forty thousand, fifty-seven".