27312007 has 2 divisors, whose sum is σ = 27312008. Its totient is φ = 27312006.

The previous prime is 27311989. The next prime is 27312011. The reversal of 27312007 is 70021372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27312007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27312097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656003 + 13656004.

It is an arithmetic number, because the mean of its divisors is an integer number (13656004).

Almost surely, 2^27312007 is an apocalyptic number.

27312007 is a deficient number, since it is larger than the sum of its proper divisors (1).

27312007 is an equidigital number, since it uses as much as digits as its factorization.

27312007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 27312007 is about 5226.0890731024. The cubic root of 27312007 is about 301.1511586111.

Adding to 27312007 its reverse (70021372), we get a palindrome (97333379).

The spelling of 27312007 in words is "twenty-seven million, three hundred twelve thousand, seven".