71241232 has 20 divisors (see below), whose sum is σ = 138322000. Its totient is φ = 35545248.

The previous prime is 71241223. The next prime is 71241263. The reversal of 71241232 is 23214217.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523 + ... + 12445.

It is an arithmetic number, because the mean of its divisors is an integer number (6916100).

Almost surely, 2^71241232 is an apocalyptic number.

It is an amenable number.

71241232 is a deficient number, since it is larger than the sum of its proper divisors (67080768).

71241232 is a wasteful number, since it uses less digits than its factorization.

71241232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9430 (or 9424 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 71241232 is about 8440.4521205916. The cubic root of 71241232 is about 414.5502108961.

Adding to 71241232 its reverse (23214217), we get a palindrome (94455449).

The spelling of 71241232 in words is "seventy-one million, two hundred forty-one thousand, two hundred thirty-two".