730286273 has 2 divisors, whose sum is σ = 730286274. Its totient is φ = 730286272.

The previous prime is 730286237. The next prime is 730286303. The reversal of 730286273 is 372682037.

Together with previous prime (730286237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685235329 + 45050944 = 26177^2 + 6712^2 .

It is a cyclic number.

It is not a de Polignac number, because 730286273 - 2⁶ = 730286209 is a prime.

It is not a weakly prime, because it can be changed into another prime (730286203) by changing a digit.

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 as a sum of consecutive naturals, namely, 365143136 + 365143137.

It is an arithmetic number, because the mean of its divisors is an integer number (365143137).

Almost surely, 2^730286273 is an apocalyptic number.

It is an amenable number.

730286273 is a deficient number, since it is larger than the sum of its proper divisors (1).

730286273 is an equidigital number, since it uses as much as digits as its factorization.

730286273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 730286273 is about 27023.8093724774. The cubic root of 730286273 is about 900.5290194345.

The spelling of 730286273 in words is "seven hundred thirty million, two hundred eighty-six thousand, two hundred seventy-three".