27347893 has 2 divisors, whose sum is σ = 27347894. Its totient is φ = 27347892.

The previous prime is 27347869. The next prime is 27347923. The reversal of 27347893 is 39874372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24532209 + 2815684 = 4953^2 + 1678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27347893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27347813) 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, 13673946 + 13673947.

It is an arithmetic number, because the mean of its divisors is an integer number (13673947).

Almost surely, 2^27347893 is an apocalyptic number.

It is an amenable number.

27347893 is a deficient number, since it is larger than the sum of its proper divisors (1).

27347893 is an equidigital number, since it uses as much as digits as its factorization.

27347893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The square root of 27347893 is about 5229.5212974038. The cubic root of 27347893 is about 301.2829978259.

The spelling of 27347893 in words is "twenty-seven million, three hundred forty-seven thousand, eight hundred ninety-three".