6680624 has 20 divisors (see below), whose sum is σ = 13362240. Its totient is φ = 3232320.

The previous prime is 6680621. The next prime is 6680651. The reversal of 6680624 is 4260866.

It is a happy number.

6680624 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6680621) 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, 6239 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (668112).

Almost surely, 2^6680624 is an apocalyptic number.

It is an amenable number.

6680624 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6680624 is a wasteful number, since it uses less digits than its factorization.

6680624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13508 (or 13502 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6680624 is about 2584.6903102693. The cubic root of 6680624 is about 188.3384577577.

The spelling of 6680624 in words is "six million, six hundred eighty thousand, six hundred twenty-four".