71173168 has 60 divisors (see below), whose sum is σ = 153540520. Its totient is φ = 31933440.

The previous prime is 71173147. The next prime is 71173199. The reversal of 71173168 is 86137117.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187603 + ... + 187981.

Almost surely, 2^71173168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71173168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76770260).

71173168 is an abundant number, since it is smaller than the sum of its proper divisors (82367352).

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

71173168 is a wasteful number, since it uses less digits than its factorization.

71173168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 489 counting only the distinct ones).

The product of its digits is 7056, while the sum is 34.

The square root of 71173168 is about 8436.4191455854. The cubic root of 71173168 is about 414.4181481595.

The spelling of 71173168 in words is "seventy-one million, one hundred seventy-three thousand, one hundred sixty-eight".