27470669 has 2 divisors, whose sum is σ = 27470670. Its totient is φ = 27470668.

The previous prime is 27470659. The next prime is 27470689. The reversal of 27470669 is 96607472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 3948169 = 4850^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 27470669 - 2²⁴ = 10693453 is a prime.

It is a super-2 number, since 2×27470669² = 1509275310615122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27470609) 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, 13735334 + 13735335.

It is an arithmetic number, because the mean of its divisors is an integer number (13735335).

Almost surely, 2^27470669 is an apocalyptic number.

It is an amenable number.

27470669 is a deficient number, since it is larger than the sum of its proper divisors (1).

27470669 is an equidigital number, since it uses as much as digits as its factorization.

27470669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 27470669 is about 5241.2468936313. The cubic root of 27470669 is about 301.7331861219.

The spelling of 27470669 in words is "twenty-seven million, four hundred seventy thousand, six hundred sixty-nine".