730338909 has 16 divisors (see below), whose sum is σ = 990871104. Its totient is φ = 478368000.

The previous prime is 730338883. The next prime is 730338919. The reversal of 730338909 is 909833037.

It is a happy number.

It is not a de Polignac number, because 730338909 - 2⁵ = 730338877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730338919) 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, 218122 + ... + 221444.

It is an arithmetic number, because the mean of its divisors is an integer number (61929444).

Almost surely, 2^730338909 is an apocalyptic number.

It is an amenable number.

730338909 is a deficient number, since it is larger than the sum of its proper divisors (260532195).

730338909 is a wasteful number, since it uses less digits than its factorization.

730338909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 730338909 is about 27024.7832368735. The cubic root of 730338909 is about 900.5506543779.

The spelling of 730338909 in words is "seven hundred thirty million, three hundred thirty-eight thousand, nine hundred nine".