71044172 has 12 divisors (see below), whose sum is σ = 124406016. Its totient is φ = 35499600.

The previous prime is 71044153. The next prime is 71044177. The reversal of 71044172 is 27144017.

It is not an unprimeable number, because it can be changed into a prime (71044177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2933 + ... + 12275.

It is an arithmetic number, because the mean of its divisors is an integer number (10367168).

Almost surely, 2^71044172 is an apocalyptic number.

It is an amenable number.

71044172 is a deficient number, since it is larger than the sum of its proper divisors (53361844).

71044172 is a wasteful number, since it uses less digits than its factorization.

71044172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248 (or 11246 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 71044172 is about 8428.7704915960. The cubic root of 71044172 is about 414.1676295353.

Adding to 71044172 its reverse (27144017), we get a palindrome (98188189).

The spelling of 71044172 in words is "seventy-one million, forty-four thousand, one hundred seventy-two".