71316500 has 48 divisors (see below), whose sum is σ = 163974720. Its totient is φ = 27021600.

The previous prime is 71316467. The next prime is 71316521. The reversal of 71316500 is 561317.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5747 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (3416140).

Almost surely, 2^71316500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71316500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81987360).

71316500 is an abundant number, since it is smaller than the sum of its proper divisors (92658220).

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

71316500 is a wasteful number, since it uses less digits than its factorization.

71316500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545 (or 7533 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 71316500 is about 8444.9097094048. The cubic root of 71316500 is about 414.6961534548.

Adding to 71316500 its reverse (561317), we get a palindrome (71877817).

It can be divided in two parts, 7131 and 6500, that added together give a palindrome (13631).

The spelling of 71316500 in words is "seventy-one million, three hundred sixteen thousand, five hundred".