6671868 has 24 divisors (see below), whose sum is σ = 17791872. Its totient is φ = 1906224.

The previous prime is 6671839. The next prime is 6671879. The reversal of 6671868 is 8681766.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39630 + ... + 39797.

It is an arithmetic number, because the mean of its divisors is an integer number (741328).

Almost surely, 2^6671868 is an apocalyptic number.

It is an amenable number.

6671868 is an abundant number, since it is smaller than the sum of its proper divisors (11120004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6671868 is a wasteful number, since it uses less digits than its factorization.

6671868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79441 (or 79439 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 6671868 is about 2582.9959349562. The cubic root of 6671868 is about 188.2561394730.

The spelling of 6671868 in words is "six million, six hundred seventy-one thousand, eight hundred sixty-eight".