71612573072 has 40 divisors (see below), whose sum is σ = 141523977600. Its totient is φ = 35091754880.

The previous prime is 71612573069. The next prime is 71612573089. The reversal of 71612573072 is 27037521617.

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, 726179 + ... + 818877.

It is an arithmetic number, because the mean of its divisors is an integer number (3538099440).

Almost surely, 2^71612573072 is an apocalyptic number.

It is an amenable number.

71612573072 is a deficient number, since it is larger than the sum of its proper divisors (69911404528).

71612573072 is a wasteful number, since it uses less digits than its factorization.

71612573072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93671 (or 93665 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 71612573072 in words is "seventy-one billion, six hundred twelve million, five hundred seventy-three thousand, seventy-two".