71234471 has 16 divisors (see below), whose sum is σ = 94037760. Its totient is φ = 52241280.

The previous prime is 71234461. The next prime is 71234483. The reversal of 71234471 is 17443217.

It is not a de Polignac number, because 71234471 - 2⁶ = 71234407 is a prime.

It is a super-3 number, since 3×71234471³ (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 (71234431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25901 + ... + 28518.

It is an arithmetic number, because the mean of its divisors is an integer number (5877360).

Almost surely, 2^71234471 is an apocalyptic number.

71234471 is a deficient number, since it is larger than the sum of its proper divisors (22803289).

71234471 is a wasteful number, since it uses less digits than its factorization.

71234471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54454.

The product of its digits is 4704, while the sum is 29.

The square root of 71234471 is about 8440.0515993683. The cubic root of 71234471 is about 414.5370964746.

Adding to 71234471 its reverse (17443217), we get a palindrome (88677688).

The spelling of 71234471 in words is "seventy-one million, two hundred thirty-four thousand, four hundred seventy-one".