6769891 has 4 divisors (see below), whose sum is σ = 6778800. Its totient is φ = 6760984.

The previous prime is 6769831. The next prime is 6769897. The reversal of 6769891 is 1989676.

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 6769891 - 2⁹ = 6769379 is a prime.

It is a Duffinian number.

6769891 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6769897) 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 in 3 ways as a sum of consecutive naturals, for example, 3196 + ... + 4873.

It is an arithmetic number, because the mean of its divisors is an integer number (1694700).

Almost surely, 2^6769891 is an apocalyptic number.

6769891 is a deficient number, since it is larger than the sum of its proper divisors (8909).

6769891 is an equidigital number, since it uses as much as digits as its factorization.

6769891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8908.

The product of its digits is 163296, while the sum is 46.

The square root of 6769891 is about 2601.9014201157. The cubic root of 6769891 is about 189.1736131363.

The spelling of 6769891 in words is "six million, seven hundred sixty-nine thousand, eight hundred ninety-one".