728911752 has 64 divisors (see below), whose sum is σ = 1892332800. Its totient is φ = 233694720.

The previous prime is 728911709. The next prime is 728911759. The reversal of 728911752 is 257119827.

728911752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (728911759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193713 + ... + 197439.

It is an arithmetic number, because the mean of its divisors is an integer number (29567700).

Almost surely, 2^728911752 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 728911752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946166400).

728911752 is an abundant number, since it is smaller than the sum of its proper divisors (1163421048).

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

728911752 is a wasteful number, since it uses less digits than its factorization.

728911752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046 (or 4042 counting only the distinct ones).

The product of its digits is 70560, while the sum is 42.

The square root of 728911752 is about 26998.3657283177. The cubic root of 728911752 is about 899.9636824851.

The spelling of 728911752 in words is "seven hundred twenty-eight million, nine hundred eleven thousand, seven hundred fifty-two".