27692293 has 2 divisors, whose sum is σ = 27692294. Its totient is φ = 27692292.

The previous prime is 27692279. The next prime is 27692297. The reversal of 27692293 is 39229672.

27692293 is nontrivially palindromic in base 13.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24930049 + 2762244 = 4993^2 + 1662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27692293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27692297) 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, 13846146 + 13846147.

It is an arithmetic number, because the mean of its divisors is an integer number (13846147).

Almost surely, 2^27692293 is an apocalyptic number.

It is an amenable number.

27692293 is a deficient number, since it is larger than the sum of its proper divisors (1).

27692293 is an equidigital number, since it uses as much as digits as its factorization.

27692293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 27692293 is about 5262.3467198580. The cubic root of 27692293 is about 302.5424405995.

The spelling of 27692293 in words is "twenty-seven million, six hundred ninety-two thousand, two hundred ninety-three".