730648817 has 2 divisors, whose sum is σ = 730648818. Its totient is φ = 730648816.

The previous prime is 730648771. The next prime is 730648921. The reversal of 730648817 is 718846037.

730648817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675948001 + 54700816 = 25999^2 + 7396^2 .

It is a cyclic number.

It is not a de Polignac number, because 730648817 - 2¹² = 730644721 is a prime.

It is not a weakly prime, because it can be changed into another prime (730641817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365324408 + 365324409.

It is an arithmetic number, because the mean of its divisors is an integer number (365324409).

Almost surely, 2^730648817 is an apocalyptic number.

It is an amenable number.

730648817 is a deficient number, since it is larger than the sum of its proper divisors (1).

730648817 is an equidigital number, since it uses as much as digits as its factorization.

730648817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 730648817 is about 27030.5164027623. The cubic root of 730648817 is about 900.6780146041.

The spelling of 730648817 in words is "seven hundred thirty million, six hundred forty-eight thousand, eight hundred seventeen".