71044160 has 56 divisors (see below), whose sum is σ = 184562496. Its totient is φ = 25832960.

The previous prime is 71044153. The next prime is 71044177. The reversal of 71044160 is 6144017.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 6572 + ... + 13611.

Almost surely, 2^71044160 is an apocalyptic number.

It is an amenable number.

71044160 is an abundant number, since it is smaller than the sum of its proper divisors (113518336).

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

71044160 is a wasteful number, since it uses less digits than its factorization.

71044160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211 (or 20201 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 71044160 is about 8428.7697797484. The cubic root of 71044160 is about 414.1676062164.

Adding to 71044160 its reverse (6144017), we get a palindrome (77188177).

The spelling of 71044160 in words is "seventy-one million, forty-four thousand, one hundred sixty".