71070067 has 2 divisors, whose sum is σ = 71070068. Its totient is φ = 71070066.

The previous prime is 71070061. The next prime is 71070079. The reversal of 71070067 is 76007017.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71070067 - 2¹⁹ = 70545779 is a prime.

It is not a weakly prime, because it can be changed into another prime (71070061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35535033 + 35535034.

It is an arithmetic number, because the mean of its divisors is an integer number (35535034).

Almost surely, 2^71070067 is an apocalyptic number.

71070067 is a deficient number, since it is larger than the sum of its proper divisors (1).

71070067 is an equidigital number, since it uses as much as digits as its factorization.

71070067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 71070067 is about 8430.3064594355. The cubic root of 71070067 is about 414.2179436225.

The spelling of 71070067 in words is "seventy-one million, seventy thousand, sixty-seven".