729933 has 4 divisors (see below), whose sum is σ = 973248. Its totient is φ = 486620.

The previous prime is 729931. The next prime is 729941. The reversal of 729933 is 339927.

729933 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 729933 - 2¹ = 729931 is a prime.

It is a D-number.

729933 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 729894 and 729903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729931) 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, 121653 + ... + 121658.

It is an arithmetic number, because the mean of its divisors is an integer number (243312).

2⁷²⁹⁹³³ is an apocalyptic number.

It is an amenable number.

729933 is a deficient number, since it is larger than the sum of its proper divisors (243315).

729933 is a wasteful number, since it uses less digits than its factorization.

729933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243314.

The product of its digits is 10206, while the sum is 33.

The square root of 729933 is about 854.3611648477. The cubic root of 729933 is about 90.0383786936.

The spelling of 729933 in words is "seven hundred twenty-nine thousand, nine hundred thirty-three".