71122804752 has 40 divisors (see below), whose sum is σ = 184950712000. Its totient is φ = 23550595200.

The previous prime is 71122804751. The next prime is 71122804769. The reversal of 71122804752 is 25740822117.

It is a super-2 number, since 2×71122804752² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71122804752.

It is not an unprimeable number, because it can be changed into a prime (71122804751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4899127 + ... + 4913622.

It is an arithmetic number, because the mean of its divisors is an integer number (4623767800).

Almost surely, 2^71122804752 is an apocalyptic number.

It is an amenable number.

71122804752 is an abundant number, since it is smaller than the sum of its proper divisors (113827907248).

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

71122804752 is a wasteful number, since it uses less digits than its factorization.

71122804752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812911 (or 9812905 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The spelling of 71122804752 in words is "seventy-one billion, one hundred twenty-two million, eight hundred four thousand, seven hundred fifty-two".