728587336 has 16 divisors (see below), whose sum is σ = 1379628540. Its totient is φ = 360686400.

The previous prime is 728587333. The next prime is 728587337. The reversal of 728587336 is 633785827.

728587336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 713424100 + 15163236 = 26710^2 + 3894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 728587336.

It is not an unprimeable number, because it can be changed into a prime (728587333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450051 + ... + 451666.

Almost surely, 2^728587336 is an apocalyptic number.

It is an amenable number.

728587336 is a deficient number, since it is larger than the sum of its proper divisors (651041204).

728587336 is a wasteful number, since it uses less digits than its factorization.

728587336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901824 (or 901820 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 728587336 is about 26992.3569923043. The cubic root of 728587336 is about 899.8301473704.

The spelling of 728587336 in words is "seven hundred twenty-eight million, five hundred eighty-seven thousand, three hundred thirty-six".