6867667 has 2 divisors, whose sum is σ = 6867668. Its totient is φ = 6867666.

The previous prime is 6867649. The next prime is 6867733. The reversal of 6867667 is 7667686.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6867667 is a prime.

It is not a weakly prime, because it can be changed into another prime (6867067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433833 + 3433834.

It is an arithmetic number, because the mean of its divisors is an integer number (3433834).

Almost surely, 2^6867667 is an apocalyptic number.

6867667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6867667 is an equidigital number, since it uses as much as digits as its factorization.

6867667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 6867667 is about 2620.6233991171. The cubic root of 6867667 is about 190.0799940169.

The spelling of 6867667 in words is "six million, eight hundred sixty-seven thousand, six hundred sixty-seven".