71118632 has 16 divisors (see below), whose sum is σ = 143605140. Its totient is φ = 32823936.

The previous prime is 71118631. The next prime is 71118637. The reversal of 71118632 is 23681117.

It can be written as a sum of positive squares in 2 ways, for example, as 63904036 + 7214596 = 7994^2 + 2686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71118595 and 71118604.

It is not an unprimeable number, because it can be changed into a prime (71118631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341813 + ... + 342020.

Almost surely, 2^71118632 is an apocalyptic number.

It is an amenable number.

71118632 is an abundant number, since it is smaller than the sum of its proper divisors (72486508).

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

71118632 is a wasteful number, since it uses less digits than its factorization.

71118632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683852 (or 683848 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 71118632 is about 8433.1863491802. The cubic root of 71118632 is about 414.3122726647.

Adding to 71118632 its reverse (23681117), we get a palindrome (94799749).

The spelling of 71118632 in words is "seventy-one million, one hundred eighteen thousand, six hundred thirty-two".