6731797 has 2 divisors, whose sum is σ = 6731798. Its totient is φ = 6731796.

The previous prime is 6731783. The next prime is 6731821. The reversal of 6731797 is 7971376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5827396 + 904401 = 2414^2 + 951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6731797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6731707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3365898 + 3365899.

It is an arithmetic number, because the mean of its divisors is an integer number (3365899).

Almost surely, 2^6731797 is an apocalyptic number.

It is an amenable number.

6731797 is a deficient number, since it is larger than the sum of its proper divisors (1).

6731797 is an equidigital number, since it uses as much as digits as its factorization.

6731797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55566, while the sum is 40.

The square root of 6731797 is about 2594.5706773954. The cubic root of 6731797 is about 188.8181205227.

The spelling of 6731797 in words is "six million, seven hundred thirty-one thousand, seven hundred ninety-seven".