6648748 has 12 divisors (see below), whose sum is σ = 12141360. Its totient is φ = 3179792.

The previous prime is 6648737. The next prime is 6648749. The reversal of 6648748 is 8478466.

It is not an unprimeable number, because it can be changed into a prime (6648749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36043 + ... + 36226.

It is an arithmetic number, because the mean of its divisors is an integer number (1011780).

Almost surely, 2^6648748 is an apocalyptic number.

It is an amenable number.

6648748 is a deficient number, since it is larger than the sum of its proper divisors (5492612).

6648748 is a wasteful number, since it uses less digits than its factorization.

6648748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72296 (or 72294 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 6648748 is about 2578.5166278308. The cubic root of 6648748 is about 188.0384333677.

It can be divided in two parts, 6648 and 748, that added together give a square (7396 = 86²).

The spelling of 6648748 in words is "six million, six hundred forty-eight thousand, seven hundred forty-eight".