27964723 has 2 divisors, whose sum is σ = 27964724. Its totient is φ = 27964722.

The previous prime is 27964693. The next prime is 27964733. The reversal of 27964723 is 32746972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27964723 - 2⁵ = 27964691 is a prime.

It is not a weakly prime, because it can be changed into another prime (27964733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13982361 + 13982362.

It is an arithmetic number, because the mean of its divisors is an integer number (13982362).

Almost surely, 2^27964723 is an apocalyptic number.

27964723 is a deficient number, since it is larger than the sum of its proper divisors (1).

27964723 is an equidigital number, since it uses as much as digits as its factorization.

27964723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 27964723 is about 5288.1682083686. The cubic root of 27964723 is about 303.5313177019.

The spelling of 27964723 in words is "twenty-seven million, nine hundred sixty-four thousand, seven hundred twenty-three".