6468667 has 2 divisors, whose sum is σ = 6468668. Its totient is φ = 6468666.

The previous prime is 6468661. The next prime is 6468691. The reversal of 6468667 is 7668646.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6468667 is a prime.

It is not a weakly prime, because it can be changed into another prime (6468661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234333 + 3234334.

It is an arithmetic number, because the mean of its divisors is an integer number (3234334).

Almost surely, 2^6468667 is an apocalyptic number.

6468667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6468667 is an equidigital number, since it uses as much as digits as its factorization.

6468667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 6468667 is about 2543.3574267098. The cubic root of 6468667 is about 186.3252009284.

The spelling of 6468667 in words is "six million, four hundred sixty-eight thousand, six hundred sixty-seven".