728818934 has 16 divisors (see below), whose sum is σ = 1159282368. Its totient is φ = 342456192.

The previous prime is 728818931. The next prime is 728818939. The reversal of 728818934 is 439818827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728818931) by changing a digit.

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, 7187 + ... + 38849.

It is an arithmetic number, because the mean of its divisors is an integer number (72455148).

Almost surely, 2^728818934 is an apocalyptic number.

728818934 is a deficient number, since it is larger than the sum of its proper divisors (430463434).

728818934 is a wasteful number, since it uses less digits than its factorization.

728818934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32359.

The product of its digits is 774144, while the sum is 50.

The square root of 728818934 is about 26996.6467176944. The cubic root of 728818934 is about 899.9254810729.

The spelling of 728818934 in words is "seven hundred twenty-eight million, eight hundred eighteen thousand, nine hundred thirty-four".