27442469 has 2 divisors, whose sum is σ = 27442470. Its totient is φ = 27442468.

The previous prime is 27442453. The next prime is 27442511. The reversal of 27442469 is 96424472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20811844 + 6630625 = 4562^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 27442469 - 2⁴ = 27442453 is a prime.

It is a super-2 number, since 2×27442469² = 1506178209631922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27442169) 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, 13721234 + 13721235.

It is an arithmetic number, because the mean of its divisors is an integer number (13721235).

Almost surely, 2^27442469 is an apocalyptic number.

It is an amenable number.

27442469 is a deficient number, since it is larger than the sum of its proper divisors (1).

27442469 is an equidigital number, since it uses as much as digits as its factorization.

27442469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 27442469 is about 5238.5560033276. The cubic root of 27442469 is about 301.6299027604.

The spelling of 27442469 in words is "twenty-seven million, four hundred forty-two thousand, four hundred sixty-nine".