71040339 has 6 divisors (see below), whose sum is σ = 102613836. Its totient is φ = 47360220.

The previous prime is 71040329. The next prime is 71040377. The reversal of 71040339 is 93304017.

It is not a de Polignac number, because 71040339 - 2⁴ = 71040323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71040329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3946677 + ... + 3946694.

It is an arithmetic number, because the mean of its divisors is an integer number (17102306).

Almost surely, 2^71040339 is an apocalyptic number.

71040339 is a deficient number, since it is larger than the sum of its proper divisors (31573497).

71040339 is a wasteful number, since it uses less digits than its factorization.

71040339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893377 (or 7893374 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 71040339 is about 8428.5431125432. The cubic root of 71040339 is about 414.1601809625.

The spelling of 71040339 in words is "seventy-one million, forty thousand, three hundred thirty-nine".