71522873760 has 96 divisors (see below), whose sum is σ = 242627616000. Its totient is φ = 17605628928.

The previous prime is 71522873759. The next prime is 71522873777. The reversal of 71522873760 is 6737822517.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×71522873760³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5724760 + ... + 5737239.

It is an arithmetic number, because the mean of its divisors is an integer number (2527371000).

Almost surely, 2^71522873760 is an apocalyptic number.

It is an amenable number.

71522873760 is an abundant number, since it is smaller than the sum of its proper divisors (171104742240).

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

71522873760 is a wasteful number, since it uses less digits than its factorization.

71522873760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11462030 (or 11462022 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 71522873760 in words is "seventy-one billion, five hundred twenty-two million, eight hundred seventy-three thousand, seven hundred sixty".