70339147 has 2 divisors, whose sum is σ = 70339148. Its totient is φ = 70339146.

The previous prime is 70339141. The next prime is 70339163. The reversal of 70339147 is 74193307.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70339147 - 2⁷ = 70339019 is a prime.

It is not a weakly prime, because it can be changed into another prime (70339141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35169573 + 35169574.

It is an arithmetic number, because the mean of its divisors is an integer number (35169574).

Almost surely, 2^70339147 is an apocalyptic number.

70339147 is a deficient number, since it is larger than the sum of its proper divisors (1).

70339147 is an equidigital number, since it uses as much as digits as its factorization.

70339147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 70339147 is about 8386.8436852012. The cubic root of 70339147 is about 412.7930396483.

The spelling of 70339147 in words is "seventy million, three hundred thirty-nine thousand, one hundred forty-seven".