27066069 has 24 divisors (see below), whose sum is σ = 41862912. Its totient is φ = 17457120.

The previous prime is 27066059. The next prime is 27066079. The reversal of 27066069 is 96066072.

It is an interprime number because it is at equal distance from previous prime (27066059) and next prime (27066079).

It is not a de Polignac number, because 27066069 - 2¹¹ = 27064021 is a prime.

It is a super-2 number, since 2×27066069² = 1465144182225522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27066029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5737 + ... + 9329.

It is an arithmetic number, because the mean of its divisors is an integer number (1744288).

Almost surely, 2^27066069 is an apocalyptic number.

It is an amenable number.

27066069 is a deficient number, since it is larger than the sum of its proper divisors (14796843).

27066069 is an equidigital number, since it uses as much as digits as its factorization.

27066069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639 (or 3627 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 27066069 is about 5202.5060307509. The cubic root of 27066069 is about 300.2445006773.

The spelling of 27066069 in words is "twenty-seven million, sixty-six thousand, sixty-nine".