6875556 has 12 divisors (see below), whose sum is σ = 16042992. Its totient is φ = 2291848.

The previous prime is 6875543. The next prime is 6875567. The reversal of 6875556 is 6555786.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 286470 + ... + 286493.

It is an arithmetic number, because the mean of its divisors is an integer number (1336916).

Almost surely, 2^6875556 is an apocalyptic number.

It is an amenable number.

6875556 is an abundant number, since it is smaller than the sum of its proper divisors (9167436).

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

6875556 is a wasteful number, since it uses less digits than its factorization.

6875556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572970 (or 572968 counting only the distinct ones).

The product of its digits is 252000, while the sum is 42.

The square root of 6875556 is about 2622.1281433218. The cubic root of 6875556 is about 190.1527488188.

The spelling of 6875556 in words is "six million, eight hundred seventy-five thousand, five hundred fifty-six".