71106872 has 8 divisors (see below), whose sum is σ = 133325400. Its totient is φ = 35553432.

The previous prime is 71106851. The next prime is 71106887. The reversal of 71106872 is 27860117.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444172 + ... + 4444187.

It is an arithmetic number, because the mean of its divisors is an integer number (16665675).

Almost surely, 2^71106872 is an apocalyptic number.

It is an amenable number.

71106872 is a deficient number, since it is larger than the sum of its proper divisors (62218528).

71106872 is a wasteful number, since it uses less digits than its factorization.

71106872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888365 (or 8888361 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 71106872 is about 8432.4890750003. The cubic root of 71106872 is about 414.2894348570.

Adding to 71106872 its reverse (27860117), we get a palindrome (98966989).

The spelling of 71106872 in words is "seventy-one million, one hundred six thousand, eight hundred seventy-two".