6673685 has 4 divisors (see below), whose sum is σ = 8008428. Its totient is φ = 5338944.

The previous prime is 6673637. The next prime is 6673687. The reversal of 6673685 is 5863766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5863766 = 2 ⋅2931883.

It can be written as a sum of positive squares in 2 ways, for example, as 1552516 + 5121169 = 1246^2 + 2263^2 .

It is a cyclic number.

It is not a de Polignac number, because 6673685 - 2¹⁰ = 6672661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6673687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667364 + ... + 667373.

It is an arithmetic number, because the mean of its divisors is an integer number (2002107).

Almost surely, 2^6673685 is an apocalyptic number.

It is an amenable number.

6673685 is a deficient number, since it is larger than the sum of its proper divisors (1334743).

6673685 is a wasteful number, since it uses less digits than its factorization.

6673685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334742.

The product of its digits is 181440, while the sum is 41.

The square root of 6673685 is about 2583.3476343690. The cubic root of 6673685 is about 188.2732276587.

The spelling of 6673685 in words is "six million, six hundred seventy-three thousand, six hundred eighty-five".