71562814445 has 16 divisors (see below), whose sum is σ = 89625267072. Its totient is φ = 54751224000.

The previous prime is 71562814441. The next prime is 71562814447. The reversal of 71562814445 is 54441826517.

It is not a de Polignac number, because 71562814445 - 2² = 71562814441 is a prime.

It is a super-2 number, since 2×71562814445² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71562814445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71562814441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618695 + ... + 725195.

It is an arithmetic number, because the mean of its divisors is an integer number (5601579192).

Almost surely, 2^71562814445 is an apocalyptic number.

It is an amenable number.

71562814445 is a deficient number, since it is larger than the sum of its proper divisors (18062452627).

71562814445 is a wasteful number, since it uses less digits than its factorization.

71562814445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112372.

The product of its digits is 1075200, while the sum is 47.

The spelling of 71562814445 in words is "seventy-one billion, five hundred sixty-two million, eight hundred fourteen thousand, four hundred forty-five".