730308 has 12 divisors (see below), whose sum is σ = 1704080. Its totient is φ = 243432.

The previous prime is 730297. The next prime is 730321. The reversal of 730308 is 803037.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

730308 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, 30418 + ... + 30441.

2⁷³⁰³⁰⁸ is an apocalyptic number.

It is an amenable number.

730308 is an abundant number, since it is smaller than the sum of its proper divisors (973772).

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

730308 is a wasteful number, since it uses less digits than its factorization.

730308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60866 (or 60864 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 730308 is about 854.5805988905. The cubic root of 730308 is about 90.0537949996.

The spelling of 730308 in words is "seven hundred thirty thousand, three hundred eight".