6642067 has 2 divisors, whose sum is σ = 6642068. Its totient is φ = 6642066.

The previous prime is 6642059. The next prime is 6642071. The reversal of 6642067 is 7602466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6642067 - 2³ = 6642059 is a prime.

It is not a weakly prime, because it can be changed into another prime (6642007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3321033 + 3321034.

It is an arithmetic number, because the mean of its divisors is an integer number (3321034).

Almost surely, 2^6642067 is an apocalyptic number.

6642067 is a deficient number, since it is larger than the sum of its proper divisors (1).

6642067 is an equidigital number, since it uses as much as digits as its factorization.

6642067 is an evil number, because the sum of its binary digits is even.

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

The square root of 6642067 is about 2577.2207899208. The cubic root of 6642067 is about 187.9754287338.

The spelling of 6642067 in words is "six million, six hundred forty-two thousand, sixty-seven".