71443371 has 8 divisors (see below), whose sum is σ = 95546944. Its totient is φ = 47484360.

The previous prime is 71443357. The next prime is 71443391. The reversal of 71443371 is 17334417.

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

It is not a de Polignac number, because 71443371 - 2⁹ = 71442859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71443331) 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, 34981 + ... + 36966.

It is an arithmetic number, because the mean of its divisors is an integer number (11943368).

Almost surely, 2^71443371 is an apocalyptic number.

71443371 is a deficient number, since it is larger than the sum of its proper divisors (24103573).

71443371 is a wasteful number, since it uses less digits than its factorization.

71443371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72281.

The product of its digits is 7056, while the sum is 30.

The square root of 71443371 is about 8452.4180563907. The cubic root of 71443371 is about 414.9419205507.

Adding to 71443371 its reverse (17334417), we get a palindrome (88777788).

The spelling of 71443371 in words is "seventy-one million, four hundred forty-three thousand, three hundred seventy-one".