6722797 has 2 divisors, whose sum is σ = 6722798. Its totient is φ = 6722796.

The previous prime is 6722791. The next prime is 6722801. The reversal of 6722797 is 7972276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6295081 + 427716 = 2509^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 6722797 - 2⁷ = 6722669 is a prime.

6722797 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6722791) 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, 3361398 + 3361399.

It is an arithmetic number, because the mean of its divisors is an integer number (3361399).

Almost surely, 2^6722797 is an apocalyptic number.

It is an amenable number.

6722797 is a deficient number, since it is larger than the sum of its proper divisors (1).

6722797 is an equidigital number, since it uses as much as digits as its factorization.

6722797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088, while the sum is 40.

The square root of 6722797 is about 2592.8357063262. The cubic root of 6722797 is about 188.7339369106.

The spelling of 6722797 in words is "six million, seven hundred twenty-two thousand, seven hundred ninety-seven".