6681793 has 8 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 6470640.

The previous prime is 6681791. The next prime is 6681817. The reversal of 6681793 is 3971866.

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 6681793 - 2¹ = 6681791 is a prime.

It is a Duffinian number.

6681793 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6681791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15288 + ... + 15718.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^6681793 is an apocalyptic number.

It is an amenable number.

6681793 is a deficient number, since it is larger than the sum of its proper divisors (212927).

6681793 is a wasteful number, since it uses less digits than its factorization.

6681793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887.

The product of its digits is 54432, while the sum is 40.

The square root of 6681793 is about 2584.9164396553. The cubic root of 6681793 is about 188.3494425009.

The spelling of 6681793 in words is "six million, six hundred eighty-one thousand, seven hundred ninety-three".