70965943 has 2 divisors, whose sum is σ = 70965944. Its totient is φ = 70965942.

The previous prime is 70965941. The next prime is 70965977. The reversal of 70965943 is 34956907.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70965943 - 2¹ = 70965941 is a prime.

Together with 70965941, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 70965943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70965941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35482971 + 35482972.

It is an arithmetic number, because the mean of its divisors is an integer number (35482972).

Almost surely, 2^70965943 is an apocalyptic number.

70965943 is a deficient number, since it is larger than the sum of its proper divisors (1).

70965943 is an equidigital number, since it uses as much as digits as its factorization.

70965943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 70965943 is about 8424.1286196259. The cubic root of 70965943 is about 414.0155559823.

The spelling of 70965943 in words is "seventy million, nine hundred sixty-five thousand, nine hundred forty-three".