730530305 has 8 divisors (see below), whose sum is σ = 878133312. Its totient is φ = 583426288.

The previous prime is 730530293. The next prime is 730530313. The reversal of 730530305 is 503035037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 730530305 - 2¹⁶ = 730464769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121517 + ... + 127386.

It is an arithmetic number, because the mean of its divisors is an integer number (109766664).

Almost surely, 2^730530305 is an apocalyptic number.

It is an amenable number.

730530305 is a deficient number, since it is larger than the sum of its proper divisors (147603007).

730530305 is a wasteful number, since it uses less digits than its factorization.

730530305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249495.

The product of its (nonzero) digits is 4725, while the sum is 26.

The square root of 730530305 is about 27028.3241248880. The cubic root of 730530305 is about 900.6293149999.

The spelling of 730530305 in words is "seven hundred thirty million, five hundred thirty thousand, three hundred five".