6750393984 has 256 divisors, whose sum is σ = 20450102400. Its totient is φ = 2191564800.

The previous prime is 6750393973. The next prime is 6750394031. The reversal of 6750393984 is 4893930576.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 6750393984.

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, 28971532 + ... + 28971764.

Almost surely, 2^6750393984 is an apocalyptic number.

6750393984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6750393984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10225051200).

6750393984 is an abundant number, since it is smaller than the sum of its proper divisors (13699708416).

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

6750393984 is a wasteful number, since it uses less digits than its factorization.

6750393984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The square root of 6750393984 is about 82160.7813010563. The cubic root of 6750393984 is about 1889.9183436629.

The spelling of 6750393984 in words is "six billion, seven hundred fifty million, three hundred ninety-three thousand, nine hundred eighty-four".