730205313 has 4 divisors (see below), whose sum is σ = 973607088. Its totient is φ = 486803540.

The previous prime is 730205293. The next prime is 730205339. The reversal of 730205313 is 313502037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313502037 = 3 ⋅104500679.

It is a cyclic number.

It is not a de Polignac number, because 730205313 - 2¹⁶ = 730139777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730200313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121700883 + ... + 121700888.

It is an arithmetic number, because the mean of its divisors is an integer number (243401772).

Almost surely, 2^730205313 is an apocalyptic number.

It is an amenable number.

730205313 is a deficient number, since it is larger than the sum of its proper divisors (243401775).

730205313 is a wasteful number, since it uses less digits than its factorization.

730205313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243401774.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 730205313 is about 27022.3113926252. The cubic root of 730205313 is about 900.4957404650.

The spelling of 730205313 in words is "seven hundred thirty million, two hundred five thousand, three hundred thirteen".