728650068 has 24 divisors (see below), whose sum is σ = 1700670720. Its totient is φ = 242813760.

The previous prime is 728650061. The next prime is 728650079. The reversal of 728650068 is 860056827.

728650068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728650061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51688 + ... + 64256.

It is an arithmetic number, because the mean of its divisors is an integer number (70861280).

Almost surely, 2^728650068 is an apocalyptic number.

It is an amenable number.

728650068 is an abundant number, since it is smaller than the sum of its proper divisors (972020652).

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

728650068 is a wasteful number, since it uses less digits than its factorization.

728650068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17407 (or 17405 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 728650068 is about 26993.5189999377. The cubic root of 728650068 is about 899.8559720140.

The spelling of 728650068 in words is "seven hundred twenty-eight million, six hundred fifty thousand, sixty-eight".