71303168 has 46 divisors (see below), whose sum is σ = 150994926. Its totient is φ = 33554432.

The previous prime is 71303153. The next prime is 71303171. The reversal of 71303168 is 86130317.

It can be written as a sum of positive squares in only one way, i.e., 67108864 + 4194304 = 8192^2 + 2048^2 .

It is a nialpdrome in base 8 and base 16.

It is a zygodrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 71303168.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

In principle, a polygon with 71303168 sides can be constructed with ruler and compass.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4194296 + ... + 4194312.

Almost surely, 2^71303168 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 71303168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75497463).

71303168 is an abundant number, since it is smaller than the sum of its proper divisors (79691758).

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

71303168 is an frugal number, since it uses more digits than its factorization.

71303168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 19 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 71303168 is about 8444.1203212650. The cubic root of 71303168 is about 414.6703105635.

The spelling of 71303168 in words is "seventy-one million, three hundred three thousand, one hundred sixty-eight".