728232368 has 20 divisors (see below), whose sum is σ = 1417284288. Its totient is φ = 362481600.

The previous prime is 728232359. The next prime is 728232397. The reversal of 728232368 is 863232827.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98483 + ... + 105618.

Almost surely, 2^728232368 is an apocalyptic number.

It is an amenable number.

728232368 is a deficient number, since it is larger than the sum of its proper divisors (689051920).

728232368 is a wasteful number, since it uses less digits than its factorization.

728232368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204332 (or 204326 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 728232368 is about 26985.7808484394. The cubic root of 728232368 is about 899.6839911132.

The spelling of 728232368 in words is "seven hundred twenty-eight million, two hundred thirty-two thousand, three hundred sixty-eight".