730449 has 12 divisors (see below), whose sum is σ = 1062516. Its totient is φ = 483552.

The previous prime is 730447. The next prime is 730451. The reversal of 730449 is 944037.

It is an interprime number because it is at equal distance from previous prime (730447) and next prime (730451).

It can be written as a sum of positive squares in 2 ways, for example, as 435600 + 294849 = 660^2 + 543^2 .

It is not a de Polignac number, because 730449 - 2¹ = 730447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2347 + ... + 2639.

It is an arithmetic number, because the mean of its divisors is an integer number (88543).

2⁷³⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

730449 is a deficient number, since it is larger than the sum of its proper divisors (332067).

730449 is a wasteful number, since it uses less digits than its factorization.

730449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 730449 is about 854.6630915162. The cubic root of 730449 is about 90.0595901655.

The spelling of 730449 in words is "seven hundred thirty thousand, four hundred forty-nine".