27970067 has 2 divisors, whose sum is σ = 27970068. Its totient is φ = 27970066.

The previous prime is 27970051. The next prime is 27970069. The reversal of 27970067 is 76007972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27970067 - 2⁴ = 27970051 is a prime.

Together with 27970069, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27970067.

It is not a weakly prime, because it can be changed into another prime (27970069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13985033 + 13985034.

It is an arithmetic number, because the mean of its divisors is an integer number (13985034).

Almost surely, 2^27970067 is an apocalyptic number.

27970067 is a deficient number, since it is larger than the sum of its proper divisors (1).

27970067 is an equidigital number, since it uses as much as digits as its factorization.

27970067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 27970067 is about 5288.6734631664. The cubic root of 27970067 is about 303.5506512034.

The spelling of 27970067 in words is "twenty-seven million, nine hundred seventy thousand, sixty-seven".