27479093 has 2 divisors, whose sum is σ = 27479094. Its totient is φ = 27479092.

The previous prime is 27479071. The next prime is 27479119. The reversal of 27479093 is 39097472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27478564 + 529 = 5242^2 + 23^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27479093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27479093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27479063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13739546 + 13739547.

It is an arithmetic number, because the mean of its divisors is an integer number (13739547).

Almost surely, 2^27479093 is an apocalyptic number.

It is an amenable number.

27479093 is a deficient number, since it is larger than the sum of its proper divisors (1).

27479093 is an equidigital number, since it uses as much as digits as its factorization.

27479093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 27479093 is about 5242.0504575977. The cubic root of 27479093 is about 301.7640255672.

The spelling of 27479093 in words is "twenty-seven million, four hundred seventy-nine thousand, ninety-three".