71044859 has 2 divisors, whose sum is σ = 71044860. Its totient is φ = 71044858.

The previous prime is 71044849. The next prime is 71044879. The reversal of 71044859 is 95844017.

It is a weak prime.

It is an emirp because it is prime and its reverse (95844017) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71044859 is a prime.

It is not a weakly prime, because it can be changed into another prime (71044849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35522429 + 35522430.

It is an arithmetic number, because the mean of its divisors is an integer number (35522430).

Almost surely, 2^71044859 is an apocalyptic number.

71044859 is a deficient number, since it is larger than the sum of its proper divisors (1).

71044859 is an equidigital number, since it uses as much as digits as its factorization.

71044859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 71044859 is about 8428.8112447723. The cubic root of 71044859 is about 414.1689645369.

The spelling of 71044859 in words is "seventy-one million, forty-four thousand, eight hundred fifty-nine".