6783872 has 16 divisors (see below), whose sum is σ = 13515000. Its totient is φ = 3391872.

The previous prime is 6783869. The next prime is 6783877. The reversal of 6783872 is 2783876.

It is a tau number, because it is divible by the number of its divisors (16).

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6783877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26372 + ... + 26627.

Almost surely, 2^6783872 is an apocalyptic number.

It is an amenable number.

6783872 is a deficient number, since it is larger than the sum of its proper divisors (6731128).

6783872 is an equidigital number, since it uses as much as digits as its factorization.

6783872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53013 (or 53001 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 6783872 is about 2604.5867234554. The cubic root of 6783872 is about 189.3037490419.

The spelling of 6783872 in words is "six million, seven hundred eighty-three thousand, eight hundred seventy-two".