730017 has 12 divisors (see below), whose sum is σ = 1091220. Its totient is φ = 469728.

The previous prime is 730003. The next prime is 730021. The reversal of 730017 is 710037.

It can be written as a sum of positive squares in 2 ways, for example, as 463761 + 266256 = 681^2 + 516^2 .

It is not a de Polignac number, because 730017 - 2⁸ = 729761 is a prime.

730017 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1138 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (90935).

2⁷³⁰⁰¹⁷ is an apocalyptic number.

It is an amenable number.

730017 is a deficient number, since it is larger than the sum of its proper divisors (361203).

730017 is a wasteful number, since it uses less digits than its factorization.

730017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 730017 is about 854.4103229713. The cubic root of 730017 is about 90.0418324049.

The spelling of 730017 in words is "seven hundred thirty thousand, seventeen".