71342512 has 20 divisors (see below), whose sum is σ = 141963136. Its totient is φ = 34706880.

The previous prime is 71342477. The next prime is 71342519. The reversal of 71342512 is 21524317.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71342519) 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, 59664 + ... + 60847.

Almost surely, 2^71342512 is an apocalyptic number.

It is an amenable number.

71342512 is a deficient number, since it is larger than the sum of its proper divisors (70620624).

71342512 is a wasteful number, since it uses less digits than its factorization.

71342512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120556 (or 120550 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 71342512 is about 8446.4496683518. The cubic root of 71342512 is about 414.7465661228.

Adding to 71342512 its reverse (21524317), we get a palindrome (92866829).

The spelling of 71342512 in words is "seventy-one million, three hundred forty-two thousand, five hundred twelve".