71712205203 has 4 divisors (see below), whose sum is σ = 95616273608. Its totient is φ = 47808136800.

The previous prime is 71712205183. The next prime is 71712205283. The reversal of 71712205203 is 30250221717.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 71712205203 - 2⁶ = 71712205139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71712205283) 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, 11952034198 + ... + 11952034203.

It is an arithmetic number, because the mean of its divisors is an integer number (23904068402).

Almost surely, 2^71712205203 is an apocalyptic number.

71712205203 is a deficient number, since it is larger than the sum of its proper divisors (23904068405).

71712205203 is a wasteful number, since it uses less digits than its factorization.

71712205203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23904068404.

The product of its (nonzero) digits is 5880, while the sum is 30.

The spelling of 71712205203 in words is "seventy-one billion, seven hundred twelve million, two hundred five thousand, two hundred three".