71232152 has 16 divisors (see below), whose sum is σ = 133721160. Its totient is φ = 35573184.

The previous prime is 71232151. The next prime is 71232163. The reversal of 71232152 is 25123217.

It is a happy number.

It is a super-2 number, since 2×71232152² = 10148038957102208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71232151) 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, 2348 + ... + 12164.

Almost surely, 2^71232152 is an apocalyptic number.

It is an amenable number.

71232152 is a deficient number, since it is larger than the sum of its proper divisors (62489008).

71232152 is a wasteful number, since it uses less digits than its factorization.

71232152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10730 (or 10726 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 71232152 is about 8439.9142175735. The cubic root of 71232152 is about 414.5325980815.

Adding to 71232152 its reverse (25123217), we get a palindrome (96355369).

It can be divided in two parts, 7123215 and 2, that added together give a palindrome (7123217).

The spelling of 71232152 in words is "seventy-one million, two hundred thirty-two thousand, one hundred fifty-two".