71173615712 has 48 divisors (see below), whose sum is σ = 140508456480. Its totient is φ = 35489083392.

The previous prime is 71173615693. The next prime is 71173615729. The reversal of 71173615712 is 21751637117.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 71173615712.

It is a congruent number.

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, 22891214 + ... + 22894322.

It is an arithmetic number, because the mean of its divisors is an integer number (2927259510).

Almost surely, 2^71173615712 is an apocalyptic number.

It is an amenable number.

71173615712 is a deficient number, since it is larger than the sum of its proper divisors (69334840768).

71173615712 is a wasteful number, since it uses less digits than its factorization.

71173615712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855 (or 4847 counting only the distinct ones).

The product of its digits is 61740, while the sum is 41.

The spelling of 71173615712 in words is "seventy-one billion, one hundred seventy-three million, six hundred fifteen thousand, seven hundred twelve".