6731146940 has 96 divisors (see below), whose sum is σ = 17210962944. Its totient is φ = 2158617600.

The previous prime is 6731146909. The next prime is 6731146951. The reversal of 6731146940 is 496411376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379265 + ... + 396615.

It is an arithmetic number, because the mean of its divisors is an integer number (179280864).

Almost surely, 2^6731146940 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 6731146940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8605481472).

6731146940 is an abundant number, since it is smaller than the sum of its proper divisors (10479816004).

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

6731146940 is a wasteful number, since it uses less digits than its factorization.

6731146940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17547 (or 17545 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 6731146940 is about 82043.5673285846. The cubic root of 6731146940 is about 1888.1204254885.

The spelling of 6731146940 in words is "six billion, seven hundred thirty-one million, one hundred forty-six thousand, nine hundred forty".