71054471 has 8 divisors (see below), whose sum is σ = 75256320. Its totient is φ = 66898872.

The previous prime is 71054413. The next prime is 71054479. The reversal of 71054471 is 17445017.

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 71054471 - 2¹⁰ = 71053447 is a prime.

It is a super-3 number, since 3×71054471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71054479) 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, 8375 + ... + 14568.

It is an arithmetic number, because the mean of its divisors is an integer number (9407040).

Almost surely, 2^71054471 is an apocalyptic number.

71054471 is a deficient number, since it is larger than the sum of its proper divisors (4201849).

71054471 is a wasteful number, since it uses less digits than its factorization.

71054471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23125.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 71054471 is about 8429.3814126542. The cubic root of 71054471 is about 414.1876419970.

Adding to 71054471 its reverse (17445017), we get a palindrome (88499488).

The spelling of 71054471 in words is "seventy-one million, fifty-four thousand, four hundred seventy-one".