71536274560 has 64 divisors (see below), whose sum is σ = 176533113600. Its totient is φ = 27691453440.

The previous prime is 71536274531. The next prime is 71536274627. The reversal of 71536274560 is 6547263517.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 71536274560.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782990 + ... + 1822669.

It is an arithmetic number, because the mean of its divisors is an integer number (2758329900).

Almost surely, 2^71536274560 is an apocalyptic number.

It is an amenable number.

71536274560 is an abundant number, since it is smaller than the sum of its proper divisors (104996839040).

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

71536274560 is a wasteful number, since it uses less digits than its factorization.

71536274560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605709 (or 3605697 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 71536274560 in words is "seventy-one billion, five hundred thirty-six million, two hundred seventy-four thousand, five hundred sixty".