730343 has 4 divisors (see below), whose sum is σ = 750120. Its totient is φ = 710568.

The previous prime is 730339. The next prime is 730363. The reversal of 730343 is 343037.

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 730343 - 2² = 730339 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 (730363) 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, 9833 + ... + 9906.

It is an arithmetic number, because the mean of its divisors is an integer number (187530).

2⁷³⁰³⁴³ is an apocalyptic number.

730343 is a deficient number, since it is larger than the sum of its proper divisors (19777).

730343 is a wasteful number, since it uses less digits than its factorization.

730343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19776.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 730343 is about 854.6010765264. The cubic root of 730343 is about 90.0552335856.

It can be divided in two parts, 73034 and 3, that added together give a palindrome (73037).

The spelling of 730343 in words is "seven hundred thirty thousand, three hundred forty-three".