728529412 has 24 divisors (see below), whose sum is σ = 1374044672. Its totient is φ = 335988000.

The previous prime is 728529401. The next prime is 728529413. The reversal of 728529412 is 214925827.

It is not an unprimeable number, because it can be changed into a prime (728529413) 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, 75037 + ... + 84187.

Almost surely, 2^728529412 is an apocalyptic number.

It is an amenable number.

728529412 is a deficient number, since it is larger than the sum of its proper divisors (645515260).

728529412 is a wasteful number, since it uses less digits than its factorization.

728529412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699 (or 10697 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 728529412 is about 26991.2840005806. The cubic root of 728529412 is about 899.8063007016.

The spelling of 728529412 in words is "seven hundred twenty-eight million, five hundred twenty-nine thousand, four hundred twelve".