70323947 has 2 divisors, whose sum is σ = 70323948. Its totient is φ = 70323946.

The previous prime is 70323941. The next prime is 70324003. The reversal of 70323947 is 74932307.

It is a weak prime.

It is an emirp because it is prime and its reverse (74932307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70323947 - 2²⁶ = 3215083 is a prime.

It is not a weakly prime, because it can be changed into another prime (70323941) 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, 35161973 + 35161974.

It is an arithmetic number, because the mean of its divisors is an integer number (35161974).

Almost surely, 2^70323947 is an apocalyptic number.

70323947 is a deficient number, since it is larger than the sum of its proper divisors (1).

70323947 is an equidigital number, since it uses as much as digits as its factorization.

70323947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 70323947 is about 8385.9374550494. The cubic root of 70323947 is about 412.7633032142.

The spelling of 70323947 in words is "seventy million, three hundred twenty-three thousand, nine hundred forty-seven".