728579329 has 8 divisors (see below), whose sum is σ = 754767360. Its totient is φ = 702559200.

The previous prime is 728579297. The next prime is 728579333. The reversal of 728579329 is 923975827.

728579329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 728579329 - 2⁵ = 728579297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728579359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33109 + ... + 50530.

It is an arithmetic number, because the mean of its divisors is an integer number (94345920).

Almost surely, 2^728579329 is an apocalyptic number.

It is an amenable number.

728579329 is a deficient number, since it is larger than the sum of its proper divisors (26188031).

728579329 is a wasteful number, since it uses less digits than its factorization.

728579329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83951.

The product of its digits is 1905120, while the sum is 52.

The square root of 728579329 is about 26992.2086721335. The cubic root of 728579329 is about 899.8268510525.

The spelling of 728579329 in words is "seven hundred twenty-eight million, five hundred seventy-nine thousand, three hundred twenty-nine".