71071441 has 8 divisors (see below), whose sum is σ = 86002560. Its totient is φ = 57334848.

The previous prime is 71071439. The next prime is 71071447. The reversal of 71071441 is 14417017.

It is a happy number.

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 71071441 - 2¹ = 71071439 is a prime.

It is a super-2 number, since 2×71071441² = 10102299451632962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71071447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298501 + ... + 298738.

It is an arithmetic number, because the mean of its divisors is an integer number (10750320).

Almost surely, 2^71071441 is an apocalyptic number.

It is an amenable number.

71071441 is a deficient number, since it is larger than the sum of its proper divisors (14931119).

71071441 is a wasteful number, since it uses less digits than its factorization.

71071441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597263.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 71071441 is about 8430.3879507411. The cubic root of 71071441 is about 414.2206129684.

Adding to 71071441 its reverse (14417017), we get a palindrome (85488458).

The spelling of 71071441 in words is "seventy-one million, seventy-one thousand, four hundred forty-one".