730980 has 72 divisors (see below), whose sum is σ = 2306304. Its totient is φ = 187200.

The previous prime is 730973. The next prime is 730993. The reversal of 730980 is 89037.

It is a happy number.

730980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 730980.

It is an unprimeable number.

730980 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 23 ways as a sum of consecutive naturals, for example, 5515 + ... + 5645.

It is an arithmetic number, because the mean of its divisors is an integer number (32032).

2⁷³⁰⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153152).

730980 is an abundant number, since it is smaller than the sum of its proper divisors (1575324).

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

730980 is a wasteful number, since it uses less digits than its factorization.

730980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 730980 is about 854.9736838055. The cubic root of 730980 is about 90.0814078233.

The spelling of 730980 in words is "seven hundred thirty thousand, nine hundred eighty".