70038071 has 2 divisors, whose sum is σ = 70038072. Its totient is φ = 70038070.

The previous prime is 70038049. The next prime is 70038091. The reversal of 70038071 is 17083007.

It is a strong prime.

It is an emirp because it is prime and its reverse (17083007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70038071 - 2¹⁴ = 70021687 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70038071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70038091) 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, 35019035 + 35019036.

It is an arithmetic number, because the mean of its divisors is an integer number (35019036).

Almost surely, 2^70038071 is an apocalyptic number.

70038071 is a deficient number, since it is larger than the sum of its proper divisors (1).

70038071 is an equidigital number, since it uses as much as digits as its factorization.

70038071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70038071 is about 8368.8751334932. The cubic root of 70038071 is about 412.2032314173.

The spelling of 70038071 in words is "seventy million, thirty-eight thousand, seventy-one".