6766 has 8 divisors (see below), whose sum is σ = 10800. Its totient is φ = 3168.

The previous prime is 6763. The next prime is 6779. The reversal of 6766 is 6676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6761) 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, 66 + ... + 133.

It is an arithmetic number, because the mean of its divisors is an integer number (1350).

2⁶⁷⁶⁶ is an apocalyptic number.

6766 is a deficient number, since it is larger than the sum of its proper divisors (4034).

6766 is a wasteful number, since it uses less digits than its factorization.

6766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218.

The product of its digits is 1512, while the sum is 25.

The square root of 6766 is about 82.2556988907. The cubic root of 6766 is about 18.9137363631.

The spelling of 6766 in words is "six thousand, seven hundred sixty-six".