728273255 has 4 divisors (see below), whose sum is σ = 873927912. Its totient is φ = 582618600.

The previous prime is 728273243. The next prime is 728273261. The reversal of 728273255 is 552372827.

728273255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 728273255 - 2⁴ = 728273239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72827321 + ... + 72827330.

It is an arithmetic number, because the mean of its divisors is an integer number (218481978).

Almost surely, 2^728273255 is an apocalyptic number.

728273255 is a deficient number, since it is larger than the sum of its proper divisors (145654657).

728273255 is a wasteful number, since it uses less digits than its factorization.

728273255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145654656.

The product of its digits is 235200, while the sum is 41.

The square root of 728273255 is about 26986.5384034337. The cubic root of 728273255 is about 899.7008285462.

The spelling of 728273255 in words is "seven hundred twenty-eight million, two hundred seventy-three thousand, two hundred fifty-five".