6907681 has 8 divisors (see below), whose sum is σ = 7632000. Its totient is φ = 6199440.

The previous prime is 6907679. The next prime is 6907711. The reversal of 6907681 is 1867096.

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

It is a cyclic number.

It is not a de Polignac number, because 6907681 - 2¹ = 6907679 is a prime.

It is a super-2 number, since 2×6907681² = 95432113595522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6907681.

It is not an unprimeable number, because it can be changed into a prime (6907631) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3106 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (954000).

Almost surely, 2^6907681 is an apocalyptic number.

It is an amenable number.

6907681 is a deficient number, since it is larger than the sum of its proper divisors (724319).

6907681 is a wasteful number, since it uses less digits than its factorization.

6907681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8039.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 6907681 is about 2628.2467540168. The cubic root of 6907681 is about 190.4484421295.

The spelling of 6907681 in words is "six million, nine hundred seven thousand, six hundred eighty-one".