6920791 has 2 divisors, whose sum is σ = 6920792. Its totient is φ = 6920790.

The previous prime is 6920773. The next prime is 6920801. The reversal of 6920791 is 1970296.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6920791 - 2⁹ = 6920279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6920741) 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, 3460395 + 3460396.

It is an arithmetic number, because the mean of its divisors is an integer number (3460396).

Almost surely, 2^6920791 is an apocalyptic number.

6920791 is a deficient number, since it is larger than the sum of its proper divisors (1).

6920791 is an equidigital number, since it uses as much as digits as its factorization.

6920791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 6920791 is about 2630.7396298380. The cubic root of 6920791 is about 190.5688492147.

The spelling of 6920791 in words is "six million, nine hundred twenty thousand, seven hundred ninety-one".