730788 has 12 divisors (see below), whose sum is σ = 1705200. Its totient is φ = 243592.

The previous prime is 730783. The next prime is 730789. The reversal of 730788 is 887037.

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

It is a super-2 number, since 2×730788² = 1068102201888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (730781) by changing a digit.

730788 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, 30438 + ... + 30461.

It is an arithmetic number, because the mean of its divisors is an integer number (142100).

2⁷³⁰⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

730788 is an abundant number, since it is smaller than the sum of its proper divisors (974412).

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

730788 is a wasteful number, since it uses less digits than its factorization.

730788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60906 (or 60904 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 730788 is about 854.8613922736. The cubic root of 730788 is about 90.0735201726.

The spelling of 730788 in words is "seven hundred thirty thousand, seven hundred eighty-eight".