730845893 has 2 divisors, whose sum is σ = 730845894. Its totient is φ = 730845892.

The previous prime is 730845877. The next prime is 730845901. The reversal of 730845893 is 398548037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557054404 + 173791489 = 23602^2 + 13183^2 .

It is a cyclic number.

It is not a de Polignac number, because 730845893 - 2⁴ = 730845877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730845853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365422946 + 365422947.

It is an arithmetic number, because the mean of its divisors is an integer number (365422947).

Almost surely, 2^730845893 is an apocalyptic number.

It is an amenable number.

730845893 is a deficient number, since it is larger than the sum of its proper divisors (1).

730845893 is an equidigital number, since it uses as much as digits as its factorization.

730845893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 730845893 is about 27034.1615923261. The cubic root of 730845893 is about 900.7589865018.

The spelling of 730845893 in words is "seven hundred thirty million, eight hundred forty-five thousand, eight hundred ninety-three".