6726667 has 2 divisors, whose sum is σ = 6726668. Its totient is φ = 6726666.

The previous prime is 6726647. The next prime is 6726689. The reversal of 6726667 is 7666276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6726667 - 2⁷ = 6726539 is a prime.

It is not a weakly prime, because it can be changed into another prime (6726607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3363333 + 3363334.

It is an arithmetic number, because the mean of its divisors is an integer number (3363334).

Almost surely, 2^6726667 is an apocalyptic number.

6726667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6726667 is an equidigital number, since it uses as much as digits as its factorization.

6726667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 6726667 is about 2593.5818861181. The cubic root of 6726667 is about 188.7701450656.

The spelling of 6726667 in words is "six million, seven hundred twenty-six thousand, six hundred sixty-seven".