6305728 has 84 divisors (see below), whose sum is σ = 15060168. Its totient is φ = 2595840.

The previous prime is 6305711. The next prime is 6305729. The reversal of 6305728 is 8275036.

It is a self number, because there is not a number n which added to its sum of digits gives 6305728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6305729) 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, 118950 + ... + 119002.

Almost surely, 2^6305728 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 6305728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7530084).

6305728 is an abundant number, since it is smaller than the sum of its proper divisors (8754440).

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

6305728 is a wasteful number, since it uses less digits than its factorization.

6305728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 6305728 is about 2511.1208652711. The cubic root of 6305728 is about 184.7474323099.

The spelling of 6305728 in words is "six million, three hundred five thousand, seven hundred twenty-eight".