730085 has 8 divisors (see below), whose sum is σ = 882816. Its totient is φ = 579600.

The previous prime is 730069. The next prime is 730091. The reversal of 730085 is 580037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 730085 - 2⁴ = 730069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 730085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 1238.

It is an arithmetic number, because the mean of its divisors is an integer number (110352).

2⁷³⁰⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

730085 is a deficient number, since it is larger than the sum of its proper divisors (152731).

730085 is a wasteful number, since it uses less digits than its factorization.

730085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 730085 is about 854.4501155714. The cubic root of 730085 is about 90.0446280725.

The spelling of 730085 in words is "seven hundred thirty thousand, eighty-five".