71113625472 has 32 divisors (see below), whose sum is σ = 188895568680. Its totient is φ = 23704541696.

The previous prime is 71113625461. The next prime is 71113625477. The reversal of 71113625472 is 27452631117.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 71113625472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71113625477) 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 3 ways as a sum of consecutive naturals, for example, 92595483 + ... + 92596250.

Almost surely, 2^71113625472 is an apocalyptic number.

It is an amenable number.

71113625472 is an abundant number, since it is smaller than the sum of its proper divisors (117781943208).

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

71113625472 is a wasteful number, since it uses less digits than its factorization.

71113625472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185191750 (or 185191738 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The spelling of 71113625472 in words is "seventy-one billion, one hundred thirteen million, six hundred twenty-five thousand, four hundred seventy-two".