71456364722 has 6 divisors (see below), whose sum is σ = 107185114143. Its totient is φ = 35727993342.

The previous prime is 71456364709. The next prime is 71456364739. The reversal of 71456364722 is 22746365417.

It can be written as a sum of positive squares in only one way, i.e., 35728182361 + 35728182361 = 189019^2 + 189019^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=189019.

It is a super-2 number, since 2×71456364722² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 283529 + ... + 472547.

Almost surely, 2^71456364722 is an apocalyptic number.

71456364722 is a deficient number, since it is larger than the sum of its proper divisors (35728749421).

71456364722 is an frugal number, since it uses more digits than its factorization.

71456364722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378040 (or 189021 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The spelling of 71456364722 in words is "seventy-one billion, four hundred fifty-six million, three hundred sixty-four thousand, seven hundred twenty-two".