70854943 has 2 divisors, whose sum is σ = 70854944. Its totient is φ = 70854942.

The previous prime is 70854941. The next prime is 70854961. The reversal of 70854943 is 34945807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70854943 - 2¹ = 70854941 is a prime.

Together with 70854941, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 70854896 and 70854905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70854941) 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, 35427471 + 35427472.

It is an arithmetic number, because the mean of its divisors is an integer number (35427472).

Almost surely, 2^70854943 is an apocalyptic number.

70854943 is a deficient number, since it is larger than the sum of its proper divisors (1).

70854943 is an equidigital number, since it uses as much as digits as its factorization.

70854943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 70854943 is about 8417.5378229028. The cubic root of 70854943 is about 413.7995852135.

The spelling of 70854943 in words is "seventy million, eight hundred fifty-four thousand, nine hundred forty-three".