6726697 has 2 divisors, whose sum is σ = 6726698. Its totient is φ = 6726696.

The previous prime is 6726689. The next prime is 6726737. The reversal of 6726697 is 7966276.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4227136 + 2499561 = 2056^2 + 1581^2 .

It is a cyclic number.

It is not a de Polignac number, because 6726697 - 2³ = 6726689 is a prime.

It is an Ulam number.

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, 3363348 + 3363349.

It is an arithmetic number, because the mean of its divisors is an integer number (3363349).

Almost surely, 2^6726697 is an apocalyptic number.

It is an amenable number.

6726697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6726697 is an equidigital number, since it uses as much as digits as its factorization.

6726697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 6726697 is about 2593.5876696191. The cubic root of 6726697 is about 188.7704256948.

The spelling of 6726697 in words is "six million, seven hundred twenty-six thousand, six hundred ninety-seven".