6810791 has 4 divisors (see below), whose sum is σ = 7334712. Its totient is φ = 6286872.

The previous prime is 6810779. The next prime is 6810799. The reversal of 6810791 is 1970186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6810791 - 2¹⁰ = 6809767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6810799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261941 + ... + 261966.

It is an arithmetic number, because the mean of its divisors is an integer number (1833678).

Almost surely, 2^6810791 is an apocalyptic number.

6810791 is a deficient number, since it is larger than the sum of its proper divisors (523921).

6810791 is a wasteful number, since it uses less digits than its factorization.

6810791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523920.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 6810791 is about 2609.7492216686. The cubic root of 6810791 is about 189.5538098802.

The spelling of 6810791 in words is "six million, eight hundred ten thousand, seven hundred ninety-one".