730745005 has 16 divisors (see below), whose sum is σ = 902247984. Its totient is φ = 567751680.

The previous prime is 730744991. The next prime is 730745033. The reversal of 730745005 is 500547037.

730745005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 158482921 + 572262084 = 12589^2 + 23922^2 .

It is not a de Polignac number, because 730745005 - 2⁷ = 730744877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106375 + ... + 113035.

It is an arithmetic number, because the mean of its divisors is an integer number (56390499).

Almost surely, 2^730745005 is an apocalyptic number.

It is an amenable number.

730745005 is a deficient number, since it is larger than the sum of its proper divisors (171502979).

730745005 is a wasteful number, since it uses less digits than its factorization.

730745005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 730745005 is about 27032.2955924945. The cubic root of 730745005 is about 900.7175368358.

The spelling of 730745005 in words is "seven hundred thirty million, seven hundred forty-five thousand, five".