27067739 has 2 divisors, whose sum is σ = 27067740. Its totient is φ = 27067738.

The previous prime is 27067721. The next prime is 27067741. The reversal of 27067739 is 93776072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27067739 - 2⁸ = 27067483 is a prime.

It is a Sophie Germain prime.

Together with 27067741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27067696 and 27067705.

It is not a weakly prime, because it can be changed into another prime (27067709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533869 + 13533870.

It is an arithmetic number, because the mean of its divisors is an integer number (13533870).

Almost surely, 2^27067739 is an apocalyptic number.

27067739 is a deficient number, since it is larger than the sum of its proper divisors (1).

27067739 is an equidigital number, since it uses as much as digits as its factorization.

27067739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 27067739 is about 5202.6665278490. Note that the first 3 decimals coincide. The cubic root of 27067739 is about 300.2506756659.

The spelling of 27067739 in words is "twenty-seven million, sixty-seven thousand, seven hundred thirty-nine".