6865872 has 40 divisors (see below), whose sum is σ = 19102944. Its totient is φ = 2112384.

The previous prime is 6865867. The next prime is 6865907. The reversal of 6865872 is 2785686.

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, 4878 + ... + 6125.

Almost surely, 2^6865872 is an apocalyptic number.

It is an amenable number.

6865872 is an abundant number, since it is smaller than the sum of its proper divisors (12237072).

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

6865872 is a wasteful number, since it uses less digits than its factorization.

6865872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027 (or 11021 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 6865872 is about 2620.2809009723. The cubic root of 6865872 is about 190.0634321908.

The spelling of 6865872 in words is "six million, eight hundred sixty-five thousand, eight hundred seventy-two".