728118230 has 16 divisors (see below), whose sum is σ = 1497843360. Its totient is φ = 249640512.

The previous prime is 728118113. The next prime is 728118253. The reversal of 728118230 is 32811827.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5200775 + ... + 5200914.

It is an arithmetic number, because the mean of its divisors is an integer number (93615210).

Almost surely, 2^728118230 is an apocalyptic number.

728118230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

728118230 is an abundant number, since it is smaller than the sum of its proper divisors (769725130).

728118230 is a wasteful number, since it uses less digits than its factorization.

728118230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401703.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 728118230 is about 26983.6659851844. The cubic root of 728118230 is about 899.6369852851.

The spelling of 728118230 in words is "seven hundred twenty-eight million, one hundred eighteen thousand, two hundred thirty".