730610945 has 32 divisors (see below), whose sum is σ = 925157376. Its totient is φ = 553190400.

The previous prime is 730610897. The next prime is 730610963. The reversal of 730610945 is 549016037.

It is not a de Polignac number, because 730610945 - 2⁸ = 730610689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2167817 + ... + 2168153.

It is an arithmetic number, because the mean of its divisors is an integer number (28911168).

Almost surely, 2^730610945 is an apocalyptic number.

It is an amenable number.

730610945 is a deficient number, since it is larger than the sum of its proper divisors (194546431).

730610945 is a wasteful number, since it uses less digits than its factorization.

730610945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 730610945 is about 27029.8158521289. The cubic root of 730610945 is about 900.6624526057.

The spelling of 730610945 in words is "seven hundred thirty million, six hundred ten thousand, nine hundred forty-five".