27312347 has 2 divisors, whose sum is σ = 27312348. Its totient is φ = 27312346.

The previous prime is 27312317. The next prime is 27312419. The reversal of 27312347 is 74321372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27312347 - 2⁶ = 27312283 is a prime.

It is not a weakly prime, because it can be changed into another prime (27312317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656173 + 13656174.

It is an arithmetic number, because the mean of its divisors is an integer number (13656174).

Almost surely, 2^27312347 is an apocalyptic number.

27312347 is a deficient number, since it is larger than the sum of its proper divisors (1).

27312347 is an equidigital number, since it uses as much as digits as its factorization.

27312347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 29.

The square root of 27312347 is about 5226.1216021061. The cubic root of 27312347 is about 301.1524082564.

The spelling of 27312347 in words is "twenty-seven million, three hundred twelve thousand, three hundred forty-seven".