6676667 has 2 divisors, whose sum is σ = 6676668. Its totient is φ = 6676666.

The previous prime is 6676661. The next prime is 6676669. The reversal of 6676667 is 7666766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6676667 - 2⁴ = 6676651 is a prime.

Together with 6676669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6676661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3338333 + 3338334.

It is an arithmetic number, because the mean of its divisors is an integer number (3338334).

Almost surely, 2^6676667 is an apocalyptic number.

6676667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6676667 is an equidigital number, since it uses as much as digits as its factorization.

6676667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 6676667 is about 2583.9247280058. The cubic root of 6676667 is about 188.3012655001.

Subtracting 6676667 from its reverse (7666766), we obtain a palindrome (990099).

The spelling of 6676667 in words is "six million, six hundred seventy-six thousand, six hundred sixty-seven".