71243867910 has 64 divisors (see below), whose sum is σ = 171574640640. Its totient is φ = 18932972160.

The previous prime is 71243867909. The next prime is 71243867911. The reversal of 71243867910 is 1976834217.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71243867909) and next prime (71243867911).

It is a self number, because there is not a number n which added to its sum of digits gives 71243867910.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71243867911) 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 31 ways as a sum of consecutive naturals, for example, 19405375 + ... + 19409045.

It is an arithmetic number, because the mean of its divisors is an integer number (2680853760).

Almost surely, 2^71243867910 is an apocalyptic number.

71243867910 is an abundant number, since it is smaller than the sum of its proper divisors (100330772730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71243867910 is a wasteful number, since it uses less digits than its factorization.

71243867910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 71243867910 in words is "seventy-one billion, two hundred forty-three million, eight hundred sixty-seven thousand, nine hundred ten".