6750773728 has 48 divisors (see below), whose sum is σ = 13822764480. Its totient is φ = 3242543616.

The previous prime is 6750773713. The next prime is 6750773747. The reversal of 6750773728 is 8273770576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57450 + ... + 129622.

It is an arithmetic number, because the mean of its divisors is an integer number (287974260).

Almost surely, 2^6750773728 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 6750773728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6911382240).

6750773728 is an abundant number, since it is smaller than the sum of its proper divisors (7071990752).

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

6750773728 is a wasteful number, since it uses less digits than its factorization.

6750773728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72299 (or 72291 counting only the distinct ones).

The product of its (nonzero) digits is 3457440, while the sum is 52.

The square root of 6750773728 is about 82163.0922495009. The cubic root of 6750773728 is about 1889.9537821719.

The spelling of 6750773728 in words is "six billion, seven hundred fifty million, seven hundred seventy-three thousand, seven hundred twenty-eight".