730317 has 16 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 411312.

The previous prime is 730297. The next prime is 730321. The reversal of 730317 is 713037.

730317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 730317 - 2⁶ = 730253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 730293 and 730302.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730317.

It is not an unprimeable number, because it can be changed into a prime (730397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1534 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2⁷³⁰³¹⁷ is an apocalyptic number.

It is an amenable number.

730317 is a deficient number, since it is larger than the sum of its proper divisors (398643).

730317 is a wasteful number, since it uses less digits than its factorization.

730317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 441, while the sum is 21.

The square root of 730317 is about 854.5858646151. The cubic root of 730317 is about 90.0541649261.

The spelling of 730317 in words is "seven hundred thirty thousand, three hundred seventeen".