71133242 has 8 divisors (see below), whose sum is σ = 107736096. Its totient is φ = 35221212.

The previous prime is 71133239. The next prime is 71133263. The reversal of 71133242 is 24233117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172448 + ... + 172859.

It is an arithmetic number, because the mean of its divisors is an integer number (13467012).

Almost surely, 2^71133242 is an apocalyptic number.

71133242 is a deficient number, since it is larger than the sum of its proper divisors (36602854).

71133242 is a wasteful number, since it uses less digits than its factorization.

71133242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345412.

The product of its digits is 1008, while the sum is 23.

The square root of 71133242 is about 8434.0525253285. The cubic root of 71133242 is about 414.3406416386.

Adding to 71133242 its reverse (24233117), we get a palindrome (95366359).

The spelling of 71133242 in words is "seventy-one million, one hundred thirty-three thousand, two hundred forty-two".