6648372 has 24 divisors (see below), whose sum is σ = 17236800. Its totient is φ = 2216088.

The previous prime is 6648371. The next prime is 6648401. The reversal of 6648372 is 2738466.

6648372 is a `hidden beast` number, since 6 + 648 + 3 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648371) 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, 30672 + ... + 30887.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^6648372 is an apocalyptic number.

It is an amenable number.

6648372 is an abundant number, since it is smaller than the sum of its proper divisors (10588428).

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

6648372 is a wasteful number, since it uses less digits than its factorization.

6648372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61572 (or 61564 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 6648372 is about 2578.4437166632. The cubic root of 6648372 is about 188.0348886510.

The spelling of 6648372 in words is "six million, six hundred forty-eight thousand, three hundred seventy-two".