6786761 has 2 divisors, whose sum is σ = 6786762. Its totient is φ = 6786760.

The previous prime is 6786751. The next prime is 6786797. The reversal of 6786761 is 1676876.

6786761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5148361 + 1638400 = 2269^2 + 1280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6786761 is a prime.

It is a super-2 number, since 2×6786761² = 92120249742242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6786721) 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, 3393380 + 3393381.

It is an arithmetic number, because the mean of its divisors is an integer number (3393381).

Almost surely, 2^6786761 is an apocalyptic number.

It is an amenable number.

6786761 is a deficient number, since it is larger than the sum of its proper divisors (1).

6786761 is an equidigital number, since it uses as much as digits as its factorization.

6786761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 6786761 is about 2605.1412629644. The cubic root of 6786761 is about 189.3306177149.

The spelling of 6786761 in words is "six million, seven hundred eighty-six thousand, seven hundred sixty-one".