730163 has 4 divisors (see below), whose sum is σ = 834480. Its totient is φ = 625848.

The previous prime is 730157. The next prime is 730187. The reversal of 730163 is 361037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361037 = 223 ⋅1619.

It is a cyclic number.

It is not a de Polignac number, because 730163 - 2⁸ = 729907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730363) 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, 52148 + ... + 52161.

It is an arithmetic number, because the mean of its divisors is an integer number (208620).

2⁷³⁰¹⁶³ is an apocalyptic number.

730163 is a deficient number, since it is larger than the sum of its proper divisors (104317).

730163 is a wasteful number, since it uses less digits than its factorization.

730163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104316.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 730163 is about 854.4957577425. The cubic root of 730163 is about 90.0478346539.

The spelling of 730163 in words is "seven hundred thirty thousand, one hundred sixty-three".