71317460 has 24 divisors (see below), whose sum is σ = 149928576. Its totient is φ = 28496160.

The previous prime is 71317459. The next prime is 71317481. The reversal of 71317460 is 6471317.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29705 + ... + 32015.

It is an arithmetic number, because the mean of its divisors is an integer number (6247024).

Almost surely, 2^71317460 is an apocalyptic number.

It is an amenable number.

71317460 is an abundant number, since it is smaller than the sum of its proper divisors (78611116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71317460 is a wasteful number, since it uses less digits than its factorization.

71317460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863 (or 3861 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 71317460 is about 8444.9665481872. The cubic root of 71317460 is about 414.6980142048.

Adding to 71317460 its reverse (6471317), we get a palindrome (77788777).

The spelling of 71317460 in words is "seventy-one million, three hundred seventeen thousand, four hundred sixty".