6731878944 has 96 divisors (see below), whose sum is σ = 20391920640. Its totient is φ = 1904700672.

The previous prime is 6731878939. The next prime is 6731878963. The reversal of 6731878944 is 4498781376.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20587 + ... + 117845.

It is an arithmetic number, because the mean of its divisors is an integer number (212415840).

Almost surely, 2^6731878944 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 6731878944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10195960320).

6731878944 is an abundant number, since it is smaller than the sum of its proper divisors (13660041696).

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

6731878944 is a wasteful number, since it uses less digits than its factorization.

6731878944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97382 (or 97374 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The square root of 6731878944 is about 82048.0282761262. The cubic root of 6731878944 is about 1888.1888666035.

The spelling of 6731878944 in words is "six billion, seven hundred thirty-one million, eight hundred seventy-eight thousand, nine hundred forty-four".