728093 has 4 divisors (see below), whose sum is σ = 770940. Its totient is φ = 685248.

The previous prime is 728087. The next prime is 728113. The reversal of 728093 is 390827.

728093 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 can be written as a sum of positive squares in 2 ways, for example, as 582169 + 145924 = 763^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 728093 - 2¹² = 723997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 6.

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 728093.

It is not an unprimeable number, because it can be changed into a prime (728003) 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, 21398 + ... + 21431.

It is an arithmetic number, because the mean of its divisors is an integer number (192735).

2⁷²⁸⁰⁹³ is an apocalyptic number.

It is an amenable number.

728093 is a deficient number, since it is larger than the sum of its proper divisors (42847).

728093 is a wasteful number, since it uses less digits than its factorization.

728093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42846.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 728093 is about 853.2836574083. The cubic root of 728093 is about 89.9626594068.

The spelling of 728093 in words is "seven hundred twenty-eight thousand, ninety-three".