71064859 has 2 divisors, whose sum is σ = 71064860. Its totient is φ = 71064858.

The previous prime is 71064857. The next prime is 71064863. The reversal of 71064859 is 95846017.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71064859 - 2¹ = 71064857 is a prime.

Together with 71064857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (71064857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35532429 + 35532430.

It is an arithmetic number, because the mean of its divisors is an integer number (35532430).

Almost surely, 2^71064859 is an apocalyptic number.

71064859 is a deficient number, since it is larger than the sum of its proper divisors (1).

71064859 is an equidigital number, since it uses as much as digits as its factorization.

71064859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 71064859 is about 8429.9975682084. The cubic root of 71064859 is about 414.2078254399.

The spelling of 71064859 in words is "seventy-one million, sixty-four thousand, eight hundred fifty-nine".