6626797 has 2 divisors, whose sum is σ = 6626798. Its totient is φ = 6626796.

The previous prime is 6626779. The next prime is 6626833. The reversal of 6626797 is 7976266.

It is a happy number.

Together with previous prime (6626779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5885476 + 741321 = 2426^2 + 861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6626797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6626747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313398 + 3313399.

It is an arithmetic number, because the mean of its divisors is an integer number (3313399).

Almost surely, 2^6626797 is an apocalyptic number.

It is an amenable number.

6626797 is a deficient number, since it is larger than the sum of its proper divisors (1).

6626797 is an equidigital number, since it uses as much as digits as its factorization.

6626797 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 6626797 is about 2574.2565917173. The cubic root of 6626797 is about 187.8312674225.

The spelling of 6626797 in words is "six million, six hundred twenty-six thousand, seven hundred ninety-seven".