730449444 has 12 divisors (see below), whose sum is σ = 1704382064. Its totient is φ = 243483144.

The previous prime is 730449443. The next prime is 730449457. The reversal of 730449444 is 444944037.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (730449443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30435382 + ... + 30435405.

Almost surely, 2^730449444 is an apocalyptic number.

It is an amenable number.

730449444 is an abundant number, since it is smaller than the sum of its proper divisors (973932620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730449444 is a wasteful number, since it uses less digits than its factorization.

730449444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60870794 (or 60870792 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 730449444 is about 27026.8282267824. The cubic root of 730449444 is about 900.5960841293.

The spelling of 730449444 in words is "seven hundred thirty million, four hundred forty-nine thousand, four hundred forty-four".