730499789 has 4 divisors (see below), whose sum is σ = 734284956. Its totient is φ = 726714624.

The previous prime is 730499753. The next prime is 730499801. The reversal of 730499789 is 987994037.

730499789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 366071689 + 364428100 = 19133^2 + 19090^2 .

It is a cyclic number.

It is not a de Polignac number, because 730499789 - 2²⁴ = 713722573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730499729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892294 + ... + 1892679.

It is an arithmetic number, because the mean of its divisors is an integer number (183571239).

Almost surely, 2^730499789 is an apocalyptic number.

It is an amenable number.

730499789 is a deficient number, since it is larger than the sum of its proper divisors (3785167).

730499789 is a wasteful number, since it uses less digits than its factorization.

730499789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785166.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 730499789 is about 27027.7596000852. The cubic root of 730499789 is about 900.6167743444.

The spelling of 730499789 in words is "seven hundred thirty million, four hundred ninety-nine thousand, seven hundred eighty-nine".