6761680 has 20 divisors (see below), whose sum is σ = 15721092. Its totient is φ = 2704640.

The previous prime is 6761659. The next prime is 6761717. The reversal of 6761680 is 861676.

It can be written as a sum of positive squares in 2 ways, for example, as 788544 + 5973136 = 888^2 + 2444^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 42181 + ... + 42340.

Almost surely, 2^6761680 is an apocalyptic number.

It is an amenable number.

6761680 is an abundant number, since it is smaller than the sum of its proper divisors (8959412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6761680 is a wasteful number, since it uses less digits than its factorization.

6761680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84534 (or 84528 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 6761680 is about 2600.3230568527. The cubic root of 6761680 is about 189.0971011734.

Adding to 6761680 its product of nonzero digits (12096), we get a palindrome (6773776).

The spelling of 6761680 in words is "six million, seven hundred sixty-one thousand, six hundred eighty".