730573 has 2 divisors, whose sum is σ = 730574. Its totient is φ = 730572.

The previous prime is 730571. The next prime is 730589. The reversal of 730573 is 375037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 708964 + 21609 = 842^2 + 147^2 .

It is a cyclic number.

It is not a de Polignac number, because 730573 - 2¹ = 730571 is a prime.

Together with 730571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730571) 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 as a sum of consecutive naturals, namely, 365286 + 365287.

It is an arithmetic number, because the mean of its divisors is an integer number (365287).

2⁷³⁰⁵⁷³ is an apocalyptic number.

It is an amenable number.

730573 is a deficient number, since it is larger than the sum of its proper divisors (1).

730573 is an equidigital number, since it uses as much as digits as its factorization.

730573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2205, while the sum is 25.

The square root of 730573 is about 854.7356316429. The cubic root of 730573 is about 90.0646860072.

The spelling of 730573 in words is "seven hundred thirty thousand, five hundred seventy-three".