6711685 has 12 divisors (see below), whose sum is σ = 8558244. Its totient is φ = 5035520.

The previous prime is 6711671. The next prime is 6711697. The reversal of 6711685 is 5861176.

It can be written as a sum of positive squares in 6 ways, for example, as 431649 + 6280036 = 657^2 + 2506^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6711685 is a prime.

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 6711685.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 23745 + ... + 24025.

It is an arithmetic number, because the mean of its divisors is an integer number (713187).

Almost surely, 2^6711685 is an apocalyptic number.

It is an amenable number.

6711685 is a deficient number, since it is larger than the sum of its proper divisors (1846559).

6711685 is an equidigital number, since it uses as much as digits as its factorization.

6711685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 303 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 6711685 is about 2590.6919924993. The cubic root of 6711685 is about 188.6298944983.

It can be divided in two parts, 6711 and 685, that added together give a square (7396 = 86²).

The spelling of 6711685 in words is "six million, seven hundred eleven thousand, six hundred eighty-five".