730230791 has 4 divisors (see below), whose sum is σ = 730585800. Its totient is φ = 729875784.

The previous prime is 730230769. The next prime is 730230793. The reversal of 730230791 is 197032037.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730230791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730230793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174401 + ... + 178538.

It is an arithmetic number, because the mean of its divisors is an integer number (182646450).

Almost surely, 2^730230791 is an apocalyptic number.

730230791 is a deficient number, since it is larger than the sum of its proper divisors (355009).

730230791 is a wasteful number, since it uses less digits than its factorization.

730230791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355008.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 730230791 is about 27022.7828137666. The cubic root of 730230791 is about 900.5062135759.

The spelling of 730230791 in words is "seven hundred thirty million, two hundred thirty thousand, seven hundred ninety-one".