71225232 has 40 divisors (see below), whose sum is σ = 198153984. Its totient is φ = 21915264.

The previous prime is 71225207. The next prime is 71225267. The reversal of 71225232 is 23252217.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 56448 + ... + 57695.

Almost surely, 2^71225232 is an apocalyptic number.

It is an amenable number.

71225232 is an abundant number, since it is smaller than the sum of its proper divisors (126928752).

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

71225232 is a wasteful number, since it uses less digits than its factorization.

71225232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114167 (or 114161 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 71225232 is about 8439.5042508432. The cubic root of 71225232 is about 414.5191740943.

Adding to 71225232 its reverse (23252217), we get a palindrome (94477449).

The spelling of 71225232 in words is "seventy-one million, two hundred twenty-five thousand, two hundred thirty-two".