730504745 has 4 divisors (see below), whose sum is σ = 876605700. Its totient is φ = 584403792.

The previous prime is 730504721. The next prime is 730504757. The reversal of 730504745 is 547405037.

730504745 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 539539984 + 190964761 = 23228^2 + 13819^2 .

It is a cyclic number.

It is not a de Polignac number, because 730504745 - 2⁶ = 730504681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73050470 + ... + 73050479.

It is an arithmetic number, because the mean of its divisors is an integer number (219151425).

Almost surely, 2^730504745 is an apocalyptic number.

It is an amenable number.

730504745 is a deficient number, since it is larger than the sum of its proper divisors (146100955).

730504745 is a wasteful number, since it uses less digits than its factorization.

730504745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146100954.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 730504745 is about 27027.8512834446. The cubic root of 730504745 is about 900.6188110534.

The spelling of 730504745 in words is "seven hundred thirty million, five hundred four thousand, seven hundred forty-five".