27068409 has 12 divisors (see below), whose sum is σ = 39277056. Its totient is φ = 17963352.

The previous prime is 27068389. The next prime is 27068413. The reversal of 27068409 is 90486072.

It is not a de Polignac number, because 27068409 - 2¹³ = 27060217 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (27068479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4737 + ... + 8750.

It is an arithmetic number, because the mean of its divisors is an integer number (3273088).

Almost surely, 2^27068409 is an apocalyptic number.

It is an amenable number.

27068409 is a deficient number, since it is larger than the sum of its proper divisors (12208647).

27068409 is a wasteful number, since it uses less digits than its factorization.

27068409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13716 (or 13713 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 27068409 is about 5202.7309175086. The cubic root of 27068409 is about 300.2531529851.

The spelling of 27068409 in words is "twenty-seven million, sixty-eight thousand, four hundred nine".