27275693 has 2 divisors, whose sum is σ = 27275694. Its totient is φ = 27275692.

The previous prime is 27275681. The next prime is 27275707. The reversal of 27275693 is 39657272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23639044 + 3636649 = 4862^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 27275693 - 2²² = 23081389 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27275693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27275603) 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, 13637846 + 13637847.

It is an arithmetic number, because the mean of its divisors is an integer number (13637847).

Almost surely, 2^27275693 is an apocalyptic number.

It is an amenable number.

27275693 is a deficient number, since it is larger than the sum of its proper divisors (1).

27275693 is an equidigital number, since it uses as much as digits as its factorization.

27275693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 27275693 is about 5222.6136177205. The cubic root of 27275693 is about 301.0176293836.

The spelling of 27275693 in words is "twenty-seven million, two hundred seventy-five thousand, six hundred ninety-three".