6808705 has 4 divisors (see below), whose sum is σ = 8170452. Its totient is φ = 5446960.

The previous prime is 6808699. The next prime is 6808709. The reversal of 6808705 is 5078086.

6808705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2876416 + 3932289 = 1696^2 + 1983^2 .

It is not a de Polignac number, because 6808705 - 2¹³ = 6800513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6808709) 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 3 ways as a sum of consecutive naturals, for example, 680866 + ... + 680875.

It is an arithmetic number, because the mean of its divisors is an integer number (2042613).

Almost surely, 2^6808705 is an apocalyptic number.

It is an amenable number.

6808705 is a deficient number, since it is larger than the sum of its proper divisors (1361747).

6808705 is a wasteful number, since it uses less digits than its factorization.

6808705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361746.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 6808705 is about 2609.3495358039. The cubic root of 6808705 is about 189.5344558080.

The spelling of 6808705 in words is "six million, eight hundred eight thousand, seven hundred five".