730263 has 4 divisors (see below), whose sum is σ = 973688. Its totient is φ = 486840.

The previous prime is 730253. The next prime is 730277. The reversal of 730263 is 362037.

730263 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 is not a de Polignac number, because 730263 - 2⁶ = 730199 is a prime.

It is a D-number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121708 + ... + 121713.

It is an arithmetic number, because the mean of its divisors is an integer number (243422).

2⁷³⁰²⁶³ is an apocalyptic number.

730263 is a deficient number, since it is larger than the sum of its proper divisors (243425).

730263 is a wasteful number, since it uses less digits than its factorization.

730263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243424.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 730263 is about 854.5542697805. The cubic root of 730263 is about 90.0519453216.

The spelling of 730263 in words is "seven hundred thirty thousand, two hundred sixty-three".