730580 has 12 divisors (see below), whose sum is σ = 1534260. Its totient is φ = 292224.

The previous prime is 730573. The next prime is 730589. The reversal of 730580 is 85037.

730580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 414736 + 315844 = 644^2 + 562^2 .

It is a super-3 number, since 3×730580³ = 1169834948733336000, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730589) by changing a digit.

730580 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18245 + ... + 18284.

It is an arithmetic number, because the mean of its divisors is an integer number (127855).

2⁷³⁰⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

730580 is an abundant number, since it is smaller than the sum of its proper divisors (803680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730580 is a wasteful number, since it uses less digits than its factorization.

730580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36538 (or 36536 counting only the distinct ones).

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

The square root of 730580 is about 854.7397264665. The cubic root of 730580 is about 90.0649736584.

The spelling of 730580 in words is "seven hundred thirty thousand, five hundred eighty".