6928237728 has 72 divisors (see below), whose sum is σ = 20182751316. Its totient is φ = 2253081600.

The previous prime is 6928237727. The next prime is 6928237739. The reversal of 6928237728 is 8277328296.

It can be written as a sum of positive squares in 2 ways, for example, as 6897634704 + 30603024 = 83052^2 + 5532^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (6928237727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281563 + ... + 305178.

Almost surely, 2^6928237728 is an apocalyptic number.

It is an amenable number.

6928237728 is an abundant number, since it is smaller than the sum of its proper divisors (13254513588).

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

6928237728 is a wasteful number, since it uses less digits than its factorization.

6928237728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586798 (or 586787 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 6928237728 is about 83236.0362343138. The cubic root of 6928237728 is about 1906.3717501269.

The spelling of 6928237728 in words is "six billion, nine hundred twenty-eight million, two hundred thirty-seven thousand, seven hundred twenty-eight".