27345907 has 2 divisors, whose sum is σ = 27345908. Its totient is φ = 27345906.

The previous prime is 27345859. The next prime is 27345917. The reversal of 27345907 is 70954372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27345907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27345917) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13672953 + 13672954.

It is an arithmetic number, because the mean of its divisors is an integer number (13672954).

Almost surely, 2^27345907 is an apocalyptic number.

27345907 is a deficient number, since it is larger than the sum of its proper divisors (1).

27345907 is an equidigital number, since it uses as much as digits as its factorization.

27345907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 27345907 is about 5229.3314104195. The cubic root of 27345907 is about 301.2757046069.

The spelling of 27345907 in words is "twenty-seven million, three hundred forty-five thousand, nine hundred seven".