6664027 has 2 divisors, whose sum is σ = 6664028. Its totient is φ = 6664026.

The previous prime is 6664019. The next prime is 6664069. The reversal of 6664027 is 7204666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6664027 - 2³ = 6664019 is a prime.

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 6664027.

It is not a weakly prime, because it can be changed into another prime (6664087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332013 + 3332014.

It is an arithmetic number, because the mean of its divisors is an integer number (3332014).

Almost surely, 2^6664027 is an apocalyptic number.

6664027 is a deficient number, since it is larger than the sum of its proper divisors (1).

6664027 is an equidigital number, since it uses as much as digits as its factorization.

6664027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 6664027 is about 2581.4776776102. The cubic root of 6664027 is about 188.1823622826.

The spelling of 6664027 in words is "six million, six hundred sixty-four thousand, twenty-seven".