6675685 has 4 divisors (see below), whose sum is σ = 8010828. Its totient is φ = 5340544.

The previous prime is 6675671. The next prime is 6675709. The reversal of 6675685 is 5865766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5865766 = 2 ⋅2932883.

It can be written as a sum of positive squares in 2 ways, for example, as 1595169 + 5080516 = 1263^2 + 2254^2 .

It is a cyclic number.

It is not a de Polignac number, because 6675685 - 2⁵ = 6675653 is a prime.

It is a Duffinian number.

6675685 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667564 + ... + 667573.

It is an arithmetic number, because the mean of its divisors is an integer number (2002707).

Almost surely, 2^6675685 is an apocalyptic number.

It is an amenable number.

6675685 is a deficient number, since it is larger than the sum of its proper divisors (1335143).

6675685 is a wasteful number, since it uses less digits than its factorization.

6675685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335142.

The product of its digits is 302400, while the sum is 43.

The square root of 6675685 is about 2583.7347000031. The cubic root of 6675685 is about 188.2920333034.

The spelling of 6675685 in words is "six million, six hundred seventy-five thousand, six hundred eighty-five".