730563 has 4 divisors (see below), whose sum is σ = 974088. Its totient is φ = 487040.

The previous prime is 730559. The next prime is 730567. The reversal of 730563 is 365037.

730563 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 an interprime number because it is at equal distance from previous prime (730559) and next prime (730567).

It is a cyclic number.

It is not a de Polignac number, because 730563 - 2² = 730559 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (730567) 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, 121758 + ... + 121763.

It is an arithmetic number, because the mean of its divisors is an integer number (243522).

2⁷³⁰⁵⁶³ is an apocalyptic number.

730563 is a deficient number, since it is larger than the sum of its proper divisors (243525).

730563 is a wasteful number, since it uses less digits than its factorization.

730563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243524.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 730563 is about 854.7297818609. The cubic root of 730563 is about 90.0642750736.

The spelling of 730563 in words is "seven hundred thirty thousand, five hundred sixty-three".