71345432 has 16 divisors (see below), whose sum is σ = 134249640. Its totient is φ = 35545536.

The previous prime is 71345431. The next prime is 71345441. The reversal of 71345432 is 23454317.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 71345395 and 71345404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71345431) 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, 13493 + ... + 18020.

Almost surely, 2^71345432 is an apocalyptic number.

It is an amenable number.

71345432 is a deficient number, since it is larger than the sum of its proper divisors (62904208).

71345432 is a wasteful number, since it uses less digits than its factorization.

71345432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31802 (or 31798 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 71345432 is about 8446.6225202740. The cubic root of 71345432 is about 414.7522244763.

Adding to 71345432 its reverse (23454317), we get a palindrome (94799749).

The spelling of 71345432 in words is "seventy-one million, three hundred forty-five thousand, four hundred thirty-two".