730872843 has 8 divisors (see below), whose sum is σ = 974754000. Its totient is φ = 487120128.

The previous prime is 730872839. The next prime is 730872853. The reversal of 730872843 is 348278037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 730872843 - 2² = 730872839 is a prime.

It is a super-2 number, since 2×730872843² = 1068350225269805298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 730872795 and 730872804.

It is not an unprimeable number, because it can be changed into a prime (730872853) 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 7 ways as a sum of consecutive naturals, for example, 17938 + ... + 42231.

It is an arithmetic number, because the mean of its divisors is an integer number (121844250).

Almost surely, 2^730872843 is an apocalyptic number.

730872843 is a deficient number, since it is larger than the sum of its proper divisors (243881157).

730872843 is a wasteful number, since it uses less digits than its factorization.

730872843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64221.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 730872843 is about 27034.6600311526. The cubic root of 730872843 is about 900.7700582186.

The spelling of 730872843 in words is "seven hundred thirty million, eight hundred seventy-two thousand, eight hundred forty-three".