728103 has 8 divisors (see below), whose sum is σ = 1004400. Its totient is φ = 468608.

The previous prime is 728087. The next prime is 728113. The reversal of 728103 is 301827.

728103 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 a cyclic number.

It is not a de Polignac number, because 728103 - 2⁴ = 728087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 728103.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 728103.

It is not an unprimeable number, because it can be changed into a prime (728113) 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, 4098 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (125550).

2⁷²⁸¹⁰³ is an apocalyptic number.

728103 is a deficient number, since it is larger than the sum of its proper divisors (276297).

728103 is a wasteful number, since it uses less digits than its factorization.

728103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 728103 is about 853.2895171042. The cubic root of 728103 is about 89.9630712693.

The spelling of 728103 in words is "seven hundred twenty-eight thousand, one hundred three".