728203 has 8 divisors (see below), whose sum is σ = 868608. Its totient is φ = 596904.

The previous prime is 728191. The next prime is 728207. The reversal of 728203 is 302827.

It is a happy number.

728203 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 728203 - 2⁹ = 727691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728207) 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, 2101 + ... + 2422.

It is an arithmetic number, because the mean of its divisors is an integer number (108576).

2⁷²⁸²⁰³ is an apocalyptic number.

728203 is a deficient number, since it is larger than the sum of its proper divisors (140405).

728203 is a wasteful number, since it uses less digits than its factorization.

728203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 728203 is about 853.3481118512. The cubic root of 728203 is about 89.9671896862.

The spelling of 728203 in words is "seven hundred twenty-eight thousand, two hundred three".