730287 has 12 divisors (see below), whose sum is σ = 1075464. Its totient is φ = 477360.

The previous prime is 730283. The next prime is 730297. The reversal of 730287 is 782037.

It is not a de Polignac number, because 730287 - 2² = 730283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 730287.

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 730287.

It is not an unprimeable number, because it can be changed into a prime (730283) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 289 + ... + 1242.

It is an arithmetic number, because the mean of its divisors is an integer number (89622).

2⁷³⁰²⁸⁷ is an apocalyptic number.

730287 is a deficient number, since it is larger than the sum of its proper divisors (345177).

730287 is a wasteful number, since it uses less digits than its factorization.

730287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 730287 is about 854.5683120734. The cubic root of 730287 is about 90.0529318260.

The spelling of 730287 in words is "seven hundred thirty thousand, two hundred eighty-seven".