6758732728 has 64 divisors (see below), whose sum is σ = 14358643200. Its totient is φ = 2955717120.

The previous prime is 6758732711. The next prime is 6758732753. The reversal of 6758732728 is 8272378576.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230176 + ... + 257872.

It is an arithmetic number, because the mean of its divisors is an integer number (224353800).

Almost surely, 2^6758732728 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 6758732728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7179321600).

6758732728 is an abundant number, since it is smaller than the sum of its proper divisors (7599910472).

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

6758732728 is a wasteful number, since it uses less digits than its factorization.

6758732728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27820 (or 27816 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 55.

The square root of 6758732728 is about 82211.5121378995. The cubic root of 6758732728 is about 1890.6962271708.

The spelling of 6758732728 in words is "six billion, seven hundred fifty-eight million, seven hundred thirty-two thousand, seven hundred twenty-eight".