71333703812 has 12 divisors (see below), whose sum is σ = 142667407680. Its totient is φ = 30571587336.

The previous prime is 71333703811. The next prime is 71333703823. The reversal of 71333703812 is 21830733317.

71333703812 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (71333703811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273816112 + ... + 1273816167.

It is an arithmetic number, because the mean of its divisors is an integer number (11888950640).

Almost surely, 2^71333703812 is an apocalyptic number.

It is an amenable number.

71333703812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71333703812 is a wasteful number, since it uses less digits than its factorization.

71333703812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547632290 (or 2547632288 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 71333703812 in words is "seventy-one billion, three hundred thirty-three million, seven hundred three thousand, eight hundred twelve".