27008473 has 2 divisors, whose sum is σ = 27008474. Its totient is φ = 27008472.

The previous prime is 27008459. The next prime is 27008477. The reversal of 27008473 is 37480072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14953689 + 12054784 = 3867^2 + 3472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27008473 is a prime.

It is a super-2 number, since 2×27008473² = 1458915227583458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27008477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13504236 + 13504237.

It is an arithmetic number, because the mean of its divisors is an integer number (13504237).

Almost surely, 2^27008473 is an apocalyptic number.

It is an amenable number.

27008473 is a deficient number, since it is larger than the sum of its proper divisors (1).

27008473 is an equidigital number, since it uses as much as digits as its factorization.

27008473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 27008473 is about 5196.9676735573. The cubic root of 27008473 is about 300.0313781994.

The spelling of 27008473 in words is "twenty-seven million, eight thousand, four hundred seventy-three".