728083 has 4 divisors (see below), whose sum is σ = 730368. Its totient is φ = 725800.

The previous prime is 728069. The next prime is 728087. The reversal of 728083 is 380827.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380827 = 229 ⋅1663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568 + ... + 1333.

It is an arithmetic number, because the mean of its divisors is an integer number (182592).

2⁷²⁸⁰⁸³ is an apocalyptic number.

728083 is a deficient number, since it is larger than the sum of its proper divisors (2285).

728083 is a wasteful number, since it uses less digits than its factorization.

728083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 728083 is about 853.2777976720. The cubic root of 728083 is about 89.9622475406.

The spelling of 728083 in words is "seven hundred twenty-eight thousand, eighty-three".