70730843 has 2 divisors, whose sum is σ = 70730844. Its totient is φ = 70730842.

The previous prime is 70730837. The next prime is 70730867. The reversal of 70730843 is 34803707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70730843 - 2¹⁰ = 70729819 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (70730813) 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, 35365421 + 35365422.

It is an arithmetic number, because the mean of its divisors is an integer number (35365422).

Almost surely, 2^70730843 is an apocalyptic number.

70730843 is a deficient number, since it is larger than the sum of its proper divisors (1).

70730843 is an equidigital number, since it uses as much as digits as its factorization.

70730843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 70730843 is about 8410.1630780859. The cubic root of 70730843 is about 413.5578587779.

The spelling of 70730843 in words is "seventy million, seven hundred thirty thousand, eight hundred forty-three".