6740393328 has 120 divisors (see below), whose sum is σ = 19353672000. Its totient is φ = 2188887552.

The previous prime is 6740393321. The next prime is 6740393347. The reversal of 6740393328 is 8233930476.

It is a super-2 number, since 2×6740393328² = 90865804432293831168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740393321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1547698 + ... + 1552046.

It is an arithmetic number, because the mean of its divisors is an integer number (161280600).

Almost surely, 2^6740393328 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 6740393328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9676836000).

6740393328 is an abundant number, since it is smaller than the sum of its proper divisors (12613278672).

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

6740393328 is a wasteful number, since it uses less digits than its factorization.

6740393328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639 (or 4630 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 6740393328 is about 82099.8984652235. The cubic root of 6740393328 is about 1888.9845826327.

The spelling of 6740393328 in words is "six billion, seven hundred forty million, three hundred ninety-three thousand, three hundred twenty-eight".