71243032 has 32 divisors (see below), whose sum is σ = 153331200. Its totient is φ = 30399264.

The previous prime is 71243021. The next prime is 71243071. The reversal of 71243032 is 23034217.

It is a junction number, because it is equal to n+sod(n) for n = 71242994 and 71243012.

It is a congruent number.

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, 10723 + ... + 16045.

It is an arithmetic number, because the mean of its divisors is an integer number (4791600).

Almost surely, 2^71243032 is an apocalyptic number.

It is an amenable number.

71243032 is an abundant number, since it is smaller than the sum of its proper divisors (82088168).

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

71243032 is a wasteful number, since it uses less digits than its factorization.

71243032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575 (or 5571 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 71243032 is about 8440.5587492772. The cubic root of 71243032 is about 414.5537022455.

Adding to 71243032 its reverse (23034217), we get a palindrome (94277249).

The spelling of 71243032 in words is "seventy-one million, two hundred forty-three thousand, thirty-two".