730843489 has 2 divisors, whose sum is σ = 730843490. Its totient is φ = 730843488.

The previous prime is 730843459. The next prime is 730843511. The reversal of 730843489 is 984348037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 594140625 + 136702864 = 24375^2 + 11692^2 .

It is a cyclic number.

It is not a de Polignac number, because 730843489 - 2¹⁵ = 730810721 is a prime.

It is not a weakly prime, because it can be changed into another prime (730843439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365421744 + 365421745.

It is an arithmetic number, because the mean of its divisors is an integer number (365421745).

Almost surely, 2^730843489 is an apocalyptic number.

It is an amenable number.

730843489 is a deficient number, since it is larger than the sum of its proper divisors (1).

730843489 is an equidigital number, since it uses as much as digits as its factorization.

730843489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 730843489 is about 27034.1171300266. The cubic root of 730843489 is about 900.7579988668.

The spelling of 730843489 in words is "seven hundred thirty million, eight hundred forty-three thousand, four hundred eighty-nine".