71133441 has 8 divisors (see below), whose sum is σ = 95093760. Its totient is φ = 47297712.

The previous prime is 71133427. The next prime is 71133443. The reversal of 71133441 is 14433117.

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

It is not a de Polignac number, because 71133441 - 2¹⁹ = 70609153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71133443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29806 + ... + 32103.

It is an arithmetic number, because the mean of its divisors is an integer number (11886720).

Almost surely, 2^71133441 is an apocalyptic number.

It is an amenable number.

71133441 is a deficient number, since it is larger than the sum of its proper divisors (23960319).

71133441 is a wasteful number, since it uses less digits than its factorization.

71133441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62295.

The product of its digits is 1008, while the sum is 24.

The square root of 71133441 is about 8434.0643227331. The cubic root of 71133441 is about 414.3410280201.

Adding to 71133441 its reverse (14433117), we get a palindrome (85566558).

The spelling of 71133441 in words is "seventy-one million, one hundred thirty-three thousand, four hundred forty-one".