6816764 has 12 divisors (see below), whose sum is σ = 11955888. Its totient is φ = 3400800.

The previous prime is 6816757. The next prime is 6816787. The reversal of 6816764 is 4676186.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449 + ... + 3719.

It is an arithmetic number, because the mean of its divisors is an integer number (996324).

Almost surely, 2^6816764 is an apocalyptic number.

It is an amenable number.

6816764 is a deficient number, since it is larger than the sum of its proper divisors (5139124).

6816764 is a wasteful number, since it uses less digits than its factorization.

6816764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796 (or 3794 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 6816764 is about 2610.8933337078. The cubic root of 6816764 is about 189.6092059955.

The spelling of 6816764 in words is "six million, eight hundred sixteen thousand, seven hundred sixty-four".