728736728588 has 96 divisors (see below), whose sum is σ = 1430473830912. Its totient is φ = 322025932800.

The previous prime is 728736728581. The next prime is 728736728623. The reversal of 728736728588 is 885827637827.

It is not an unprimeable number, because it can be changed into a prime (728736728581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134178233 + ... + 134183663.

It is an arithmetic number, because the mean of its divisors is an integer number (14900769072).

Almost surely, 2^728736728588 is an apocalyptic number.

It is an amenable number.

728736728588 is a deficient number, since it is larger than the sum of its proper divisors (701737102324).

728736728588 is a wasteful number, since it uses less digits than its factorization.

728736728588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6015 (or 6013 counting only the distinct ones).

The product of its digits is 505774080, while the sum is 71.

The spelling of 728736728588 in words is "seven hundred twenty-eight billion, seven hundred thirty-six million, seven hundred twenty-eight thousand, five hundred eighty-eight".