71112736 has 12 divisors (see below), whose sum is σ = 140003262. Its totient is φ = 35556352.

The previous prime is 71112721. The next prime is 71112749. The reversal of 71112736 is 63721117.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 9960336 = 7820^2 + 3156^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111105 + ... + 1111168.

Almost surely, 2^71112736 is an apocalyptic number.

It is an amenable number.

71112736 is a deficient number, since it is larger than the sum of its proper divisors (68890526).

71112736 is a wasteful number, since it uses less digits than its factorization.

71112736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222283 (or 2222275 counting only the distinct ones).

The product of its digits is 1764, while the sum is 28.

The square root of 71112736 is about 8432.8367706247. The cubic root of 71112736 is about 414.3008230037.

The spelling of 71112736 in words is "seventy-one million, one hundred twelve thousand, seven hundred thirty-six".