71152712 has 32 divisors (see below), whose sum is σ = 139277880. Its totient is φ = 34045440.

The previous prime is 71152703. The next prime is 71152733. The reversal of 71152712 is 21725117.

It can be written as a sum of positive squares in 4 ways, for example, as 48246916 + 22905796 = 6946^2 + 4786^2 .

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, 15338 + ... + 19430.

Almost surely, 2^71152712 is an apocalyptic number.

It is an amenable number.

71152712 is a deficient number, since it is larger than the sum of its proper divisors (68125168).

71152712 is a wasteful number, since it uses less digits than its factorization.

71152712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193 (or 4189 counting only the distinct ones).

The product of its digits is 980, while the sum is 26.

The square root of 71152712 is about 8435.2066957485. The cubic root of 71152712 is about 414.3784414827.

Adding to 71152712 its reverse (21725117), we get a palindrome (92877829).

The spelling of 71152712 in words is "seventy-one million, one hundred fifty-two thousand, seven hundred twelve".