6681472 has 32 divisors (see below), whose sum is σ = 15214320. Its totient is φ = 2863104.

The previous prime is 6681443. The next prime is 6681481. The reversal of 6681472 is 2741866.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 2833 + ... + 4624.

Almost surely, 2^6681472 is an apocalyptic number.

It is an amenable number.

6681472 is an abundant number, since it is smaller than the sum of its proper divisors (8532848).

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

6681472 is an equidigital number, since it uses as much as digits as its factorization.

6681472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478 (or 7466 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 6681472 is about 2584.8543479276. The cubic root of 6681472 is about 188.3464262876.

The spelling of 6681472 in words is "six million, six hundred eighty-one thousand, four hundred seventy-two".