6765681 has 16 divisors (see below), whose sum is σ = 9765056. Its totient is φ = 4142016.

The previous prime is 6765673. The next prime is 6765683. The reversal of 6765681 is 1865676.

6765681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

6765681 is a nontrivial binomial coefficient, being equal to C(3679, 2).

It is not a de Polignac number, because 6765681 - 2³ = 6765673 is a prime.

It is a super-2 number, since 2×6765681² = 91548878787522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6765683) 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 15 ways as a sum of consecutive naturals, for example, 10731 + ... + 11343.

It is an arithmetic number, because the mean of its divisors is an integer number (610316).

Almost surely, 2^6765681 is an apocalyptic number.

6765681 is the 3678-th triangular number.

It is an amenable number.

6765681 is a deficient number, since it is larger than the sum of its proper divisors (2999375).

6765681 is a wasteful number, since it uses less digits than its factorization.

6765681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its digits is 60480, while the sum is 39.

The square root of 6765681 is about 2601.0922705663. The cubic root of 6765681 is about 189.1343911331.

The spelling of 6765681 in words is "six million, seven hundred sixty-five thousand, six hundred eighty-one".