6659744 has 48 divisors (see below), whose sum is σ = 16144128. Its totient is φ = 2633472.

The previous prime is 6659713. The next prime is 6659749. The reversal of 6659744 is 4479566.

6659744 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6659749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1769 + ... + 4055.

It is an arithmetic number, because the mean of its divisors is an integer number (336336).

Almost surely, 2^6659744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6659744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8072064).

6659744 is an abundant number, since it is smaller than the sum of its proper divisors (9484384).

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

6659744 is a wasteful number, since it uses less digits than its factorization.

6659744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317 (or 2309 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 6659744 is about 2580.6479806436. The cubic root of 6659744 is about 188.1420384269.

The spelling of 6659744 in words is "six million, six hundred fifty-nine thousand, seven hundred forty-four".