730642147 has 2 divisors, whose sum is σ = 730642148. Its totient is φ = 730642146.

The previous prime is 730642109. The next prime is 730642163. The reversal of 730642147 is 741246037.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 730642147 - 2⁷ = 730642019 is a prime.

It is not a weakly prime, because it can be changed into another prime (730642247) 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, 365321073 + 365321074.

It is an arithmetic number, because the mean of its divisors is an integer number (365321074).

Almost surely, 2^730642147 is an apocalyptic number.

730642147 is a deficient number, since it is larger than the sum of its proper divisors (1).

730642147 is an equidigital number, since it uses as much as digits as its factorization.

730642147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 730642147 is about 27030.3930234098. The cubic root of 730642147 is about 900.6752738708.

The spelling of 730642147 in words is "seven hundred thirty million, six hundred forty-two thousand, one hundred forty-seven".