6930681 has 24 divisors (see below), whose sum is σ = 9950304. Its totient is φ = 4287360.

The previous prime is 6930673. The next prime is 6930719. The reversal of 6930681 is 1860396.

6930681 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6930681 - 2³ = 6930673 is a prime.

It is a super-2 number, since 2×6930681² = 96068678247522, which contains 22 as substring.

It is a Curzon number.

6930681 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6930601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103410 + ... + 103476.

It is an arithmetic number, because the mean of its divisors is an integer number (414596).

Almost surely, 2^6930681 is an apocalyptic number.

It is an amenable number.

6930681 is a deficient number, since it is larger than the sum of its proper divisors (3019623).

6930681 is a wasteful number, since it uses less digits than its factorization.

6930681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 6930681 is about 2632.6186582944. The cubic root of 6930681 is about 190.6595820445.

The spelling of 6930681 in words is "six million, nine hundred thirty thousand, six hundred eighty-one".