730730073 has 16 divisors (see below), whose sum is σ = 1002414656. Its totient is φ = 473299200.

The previous prime is 730730053. The next prime is 730730107. The reversal of 730730073 is 370037037.

730730073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 730730073 - 2¹⁰ = 730729049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 730730073.

It is not an unprimeable number, because it can be changed into a prime (730730053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10228 + ... + 39573.

It is an arithmetic number, because the mean of its divisors is an integer number (62650916).

Almost surely, 2^730730073 is an apocalyptic number.

730730073 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

730730073 is a deficient number, since it is larger than the sum of its proper divisors (271684583).

730730073 is a wasteful number, since it uses less digits than its factorization.

730730073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49944.

The product of its (nonzero) digits is 9261, while the sum is 30.

The square root of 730730073 is about 27032.0194029229. The cubic root of 730730073 is about 900.7114017245.

The spelling of 730730073 in words is "seven hundred thirty million, seven hundred thirty thousand, seventy-three".