70956673 has 2 divisors, whose sum is σ = 70956674. Its totient is φ = 70956672.

The previous prime is 70956667. The next prime is 70956703. The reversal of 70956673 is 37665907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66389904 + 4566769 = 8148^2 + 2137^2 .

It is an emirp because it is prime and its reverse (37665907) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70956673 is a prime.

It is not a weakly prime, because it can be changed into another prime (70954673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35478336 + 35478337.

It is an arithmetic number, because the mean of its divisors is an integer number (35478337).

Almost surely, 2^70956673 is an apocalyptic number.

It is an amenable number.

70956673 is a deficient number, since it is larger than the sum of its proper divisors (1).

70956673 is an equidigital number, since it uses as much as digits as its factorization.

70956673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 70956673 is about 8423.5783963824. The cubic root of 70956673 is about 413.9975281267.

The spelling of 70956673 in words is "seventy million, nine hundred fifty-six thousand, six hundred seventy-three".