730998489 has 16 divisors (see below), whose sum is σ = 1095276672. Its totient is φ = 430286208.

The previous prime is 730998481. The next prime is 730998493. The reversal of 730998489 is 984899037.

730998489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 730998489 - 2³ = 730998481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (730998481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406572 + ... + 408365.

It is an arithmetic number, because the mean of its divisors is an integer number (68454792).

Almost surely, 2^730998489 is an apocalyptic number.

It is an amenable number.

730998489 is a deficient number, since it is larger than the sum of its proper divisors (364278183).

730998489 is a wasteful number, since it uses less digits than its factorization.

730998489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814976.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 730998489 is about 27036.9837260002. The cubic root of 730998489 is about 900.8216730656.

The spelling of 730998489 in words is "seven hundred thirty million, nine hundred ninety-eight thousand, four hundred eighty-nine".