6731383872 has 112 divisors (see below), whose sum is σ = 18862682112. Its totient is φ = 2114112000.

The previous prime is 6731383871. The next prime is 6731383909. The reversal of 6731383872 is 2783831376.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6731383871) 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 15 ways as a sum of consecutive naturals, for example, 284497 + ... + 307247.

Almost surely, 2^6731383872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6731383872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9431341056).

6731383872 is an abundant number, since it is smaller than the sum of its proper divisors (12131298240).

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

6731383872 is a wasteful number, since it uses less digits than its factorization.

6731383872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22856 (or 22846 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 6731383872 is about 82045.0112560173. The cubic root of 6731383872 is about 1888.1425787661.

The spelling of 6731383872 in words is "six billion, seven hundred thirty-one million, three hundred eighty-three thousand, eight hundred seventy-two".