6648672 has 24 divisors (see below), whose sum is σ = 17453016. Its totient is φ = 2216192.

The previous prime is 6648661. The next prime is 6648701. The reversal of 6648672 is 2768466.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6648672.

It is a congruent number.

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, 34533 + ... + 34724.

It is an arithmetic number, because the mean of its divisors is an integer number (727209).

Almost surely, 2^6648672 is an apocalyptic number.

It is an amenable number.

6648672 is an abundant number, since it is smaller than the sum of its proper divisors (10804344).

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

6648672 is a wasteful number, since it uses less digits than its factorization.

6648672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69270 (or 69262 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 6648672 is about 2578.5018906334. The cubic root of 6648672 is about 188.0377168932.

The spelling of 6648672 in words is "six million, six hundred forty-eight thousand, six hundred seventy-two".