6808731 has 8 divisors (see below), whose sum is σ = 9163584. Its totient is φ = 4496520.

The previous prime is 6808717. The next prime is 6808733. The reversal of 6808731 is 1378086.

6808731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6808731 - 2⁵ = 6808699 is a prime.

It is a super-2 number, since 2×6808731² = 92717635660722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6808692 and 6808701.

It is not an unprimeable number, because it can be changed into a prime (6808733) 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, 10285 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (1145448).

Almost surely, 2^6808731 is an apocalyptic number.

6808731 is a deficient number, since it is larger than the sum of its proper divisors (2354853).

6808731 is a wasteful number, since it uses less digits than its factorization.

6808731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21321.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 6808731 is about 2609.3545178837. The cubic root of 6808731 is about 189.5346970623.

The spelling of 6808731 in words is "six million, eight hundred eight thousand, seven hundred thirty-one".