71033872 has 40 divisors (see below), whose sum is σ = 169391936. Its totient is φ = 28100736.

The previous prime is 71033857. The next prime is 71033881. The reversal of 71033872 is 27833017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22938 + ... + 25849.

Almost surely, 2^71033872 is an apocalyptic number.

It is an amenable number.

71033872 is an abundant number, since it is smaller than the sum of its proper divisors (98358064).

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

71033872 is a wasteful number, since it uses less digits than its factorization.

71033872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48815 (or 48809 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 71033872 is about 8428.1594669299. The cubic root of 71033872 is about 414.1476131960.

Adding to 71033872 its reverse (27833017), we get a palindrome (98866889).

The spelling of 71033872 in words is "seventy-one million, thirty-three thousand, eight hundred seventy-two".