6681824 has 12 divisors (see below), whose sum is σ = 13154904. Its totient is φ = 3340896.

The previous prime is 6681817. The next prime is 6681839. The reversal of 6681824 is 4281866.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104372 + ... + 104435.

It is an arithmetic number, because the mean of its divisors is an integer number (1096242).

Almost surely, 2^6681824 is an apocalyptic number.

It is an amenable number.

6681824 is a deficient number, since it is larger than the sum of its proper divisors (6473080).

6681824 is a wasteful number, since it uses less digits than its factorization.

6681824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208817 (or 208809 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 6681824 is about 2584.9224359737. The cubic root of 6681824 is about 188.3497337812.

The spelling of 6681824 in words is "six million, six hundred eighty-one thousand, eight hundred twenty-four".