6648576 has 72 divisors (see below), whose sum is σ = 19328064. Its totient is φ = 2012160.

The previous prime is 6648571. The next prime is 6648583. The reversal of 6648576 is 6758466.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6648571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8055 + ... + 8841.

Almost surely, 2^6648576 is an apocalyptic number.

6648576 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6648576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9664032).

6648576 is an abundant number, since it is smaller than the sum of its proper divisors (12679488).

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

6648576 is a wasteful number, since it uses less digits than its factorization.

6648576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 803 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 6648576 is about 2578.4832751057. The cubic root of 6648576 is about 188.0368118650.

The spelling of 6648576 in words is "six million, six hundred forty-eight thousand, five hundred seventy-six".