6648472 has 24 divisors (see below), whose sum is σ = 13039740. Its totient is φ = 3177680.

The previous prime is 6648457. The next prime is 6648487. The reversal of 6648472 is 2748466.

It is an interprime number because it is at equal distance from previous prime (6648457) and next prime (6648487).

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 5 ways as a sum of consecutive naturals, for example, 3447 + ... + 5017.

Almost surely, 2^6648472 is an apocalyptic number.

It is an amenable number.

6648472 is a deficient number, since it is larger than the sum of its proper divisors (6391268).

6648472 is a wasteful number, since it uses less digits than its factorization.

6648472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623 (or 1596 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 6648472 is about 2578.4631081324. The cubic root of 6648472 is about 188.0358314079.

The spelling of 6648472 in words is "six million, six hundred forty-eight thousand, four hundred seventy-two".