728327324 has 12 divisors (see below), whose sum is σ = 1289929704. Its totient is φ = 359775984.

The previous prime is 728327297. The next prime is 728327339. The reversal of 728327324 is 423723827.

It is a happy number.

728327324 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096547 + ... + 1097210.

It is an arithmetic number, because the mean of its divisors is an integer number (107494142).

Almost surely, 2^728327324 is an apocalyptic number.

It is an amenable number.

728327324 is a deficient number, since it is larger than the sum of its proper divisors (561602380).

728327324 is a wasteful number, since it uses less digits than its factorization.

728327324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193844 (or 2193842 counting only the distinct ones).

The product of its digits is 112896, while the sum is 38.

The square root of 728327324 is about 26987.5401620822. The cubic root of 728327324 is about 899.7230934126.

The spelling of 728327324 in words is "seven hundred twenty-eight million, three hundred twenty-seven thousand, three hundred twenty-four".