71221341 has 8 divisors (see below), whose sum is σ = 95262624. Its totient is φ = 47330480.

The previous prime is 71221333. The next prime is 71221349. The reversal of 71221341 is 14312217.

It is an interprime number because it is at equal distance from previous prime (71221333) and next prime (71221349).

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

It is a cyclic number.

It is not a de Polignac number, because 71221341 - 2³ = 71221333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71221349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36495 + ... + 38396.

It is an arithmetic number, because the mean of its divisors is an integer number (11907828).

Almost surely, 2^71221341 is an apocalyptic number.

It is an amenable number.

71221341 is a deficient number, since it is larger than the sum of its proper divisors (24041283).

71221341 is a wasteful number, since it uses less digits than its factorization.

71221341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75211.

The product of its digits is 336, while the sum is 21.

The square root of 71221341 is about 8439.2737246756. The cubic root of 71221341 is about 414.5116256295.

Adding to 71221341 its reverse (14312217), we get a palindrome (85533558).

The spelling of 71221341 in words is "seventy-one million, two hundred twenty-one thousand, three hundred forty-one".