71352471 has 8 divisors (see below), whose sum is σ = 95207920. Its totient is φ = 47532672.

The previous prime is 71352461. The next prime is 71352473. The reversal of 71352471 is 17425317.

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

It is not a de Polignac number, because 71352471 - 2¹⁰ = 71351447 is a prime.

It is a super-3 number, since 3×71352471³ (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 (71352473) 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, 3826 + ... + 12543.

It is an arithmetic number, because the mean of its divisors is an integer number (11900990).

Almost surely, 2^71352471 is an apocalyptic number.

71352471 is a deficient number, since it is larger than the sum of its proper divisors (23855449).

71352471 is a wasteful number, since it uses less digits than its factorization.

71352471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17825.

The product of its digits is 5880, while the sum is 30.

The square root of 71352471 is about 8447.0391854188. The cubic root of 71352471 is about 414.7658639615.

Adding to 71352471 its reverse (17425317), we get a palindrome (88777788).

The spelling of 71352471 in words is "seventy-one million, three hundred fifty-two thousand, four hundred seventy-one".