730550 has 24 divisors (see below), whose sum is σ = 1432200. Its totient is φ = 276480.

The previous prime is 730537. The next prime is 730553. The reversal of 730550 is 55037.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730553) by changing a digit.

730550 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 11 ways as a sum of consecutive naturals, for example, 566 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (59675).

2⁷³⁰⁵⁵⁰ is an apocalyptic number.

730550 is a deficient number, since it is larger than the sum of its proper divisors (701650).

730550 is a wasteful number, since it uses less digits than its factorization.

730550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 730550 is about 854.7221770845. The cubic root of 730550 is about 90.0637408543.

Adding to 730550 its reverse (55037), we get a palindrome (785587).

The spelling of 730550 in words is "seven hundred thirty thousand, five hundred fifty".