730218313 has 8 divisors (see below), whose sum is σ = 806200416. Its totient is φ = 655836000.

The previous prime is 730218277. The next prime is 730218331. The reversal of 730218313 is 313812037.

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

It is a cyclic number.

It is not a de Polignac number, because 730218313 - 2¹³ = 730210121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730218413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398988 + ... + 400813.

It is an arithmetic number, because the mean of its divisors is an integer number (100775052).

Almost surely, 2^730218313 is an apocalyptic number.

It is an amenable number.

730218313 is a deficient number, since it is larger than the sum of its proper divisors (75982103).

730218313 is a wasteful number, since it uses less digits than its factorization.

730218313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799895.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 730218313 is about 27022.5519335240. The cubic root of 730218313 is about 900.5010843388.

The spelling of 730218313 in words is "seven hundred thirty million, two hundred eighteen thousand, three hundred thirteen".