730223 has 4 divisors (see below), whose sum is σ = 786408. Its totient is φ = 674040.

The previous prime is 730217. The next prime is 730237. The reversal of 730223 is 322037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 730223 - 2¹⁰ = 729199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28073 + ... + 28098.

It is an arithmetic number, because the mean of its divisors is an integer number (196602).

2⁷³⁰²²³ is an apocalyptic number.

730223 is a deficient number, since it is larger than the sum of its proper divisors (56185).

730223 is a wasteful number, since it uses less digits than its factorization.

730223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56184.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 730223 is about 854.5308654461. The cubic root of 730223 is about 90.0503010995.

The spelling of 730223 in words is "seven hundred thirty thousand, two hundred twenty-three".