728488158 has 64 divisors (see below), whose sum is σ = 1595596800. Its totient is φ = 220877280.

The previous prime is 728488157. The next prime is 728488181. The reversal of 728488158 is 851884827.

It is a self number, because there is not a number n which added to its sum of digits gives 728488158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728488157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490485 + ... + 491967.

It is an arithmetic number, because the mean of its divisors is an integer number (24931200).

Almost surely, 2^728488158 is an apocalyptic number.

728488158 is an abundant number, since it is smaller than the sum of its proper divisors (867108642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728488158 is a wasteful number, since it uses less digits than its factorization.

728488158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its digits is 1146880, while the sum is 51.

The square root of 728488158 is about 26990.5197801006. The cubic root of 728488158 is about 899.7893161163.

The spelling of 728488158 in words is "seven hundred twenty-eight million, four hundred eighty-eight thousand, one hundred fifty-eight".