27470969 has 2 divisors, whose sum is σ = 27470970. Its totient is φ = 27470968.

The previous prime is 27470953. The next prime is 27471019. The reversal of 27470969 is 96907472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17935225 + 9535744 = 4235^2 + 3088^2 .

It is a cyclic number.

It is not a de Polignac number, because 27470969 - 2⁴ = 27470953 is a prime.

It is a super-2 number, since 2×27470969² = 1509308275597922, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (27470669) 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, 13735484 + 13735485.

It is an arithmetic number, because the mean of its divisors is an integer number (13735485).

Almost surely, 2^27470969 is an apocalyptic number.

It is an amenable number.

27470969 is a deficient number, since it is larger than the sum of its proper divisors (1).

27470969 is an equidigital number, since it uses as much as digits as its factorization.

27470969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 27470969 is about 5241.2755126973. The cubic root of 27470969 is about 301.7342845010.

The spelling of 27470969 in words is "twenty-seven million, four hundred seventy thousand, nine hundred sixty-nine".