6806791 has 2 divisors, whose sum is σ = 6806792. Its totient is φ = 6806790.

The previous prime is 6806777. The next prime is 6806797. The reversal of 6806791 is 1976086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6806791 - 2⁹ = 6806279 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6806791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6806797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3403395 + 3403396.

It is an arithmetic number, because the mean of its divisors is an integer number (3403396).

Almost surely, 2^6806791 is an apocalyptic number.

6806791 is a deficient number, since it is larger than the sum of its proper divisors (1).

6806791 is an equidigital number, since it uses as much as digits as its factorization.

6806791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 6806791 is about 2608.9827519553. The cubic root of 6806791 is about 189.5166940874.

The spelling of 6806791 in words is "six million, eight hundred six thousand, seven hundred ninety-one".