71326216 has 32 divisors (see below), whose sum is σ = 145776960. Its totient is φ = 32519232.

The previous prime is 71326163. The next prime is 71326219. The reversal of 71326216 is 61262317.

It is not an unprimeable number, because it can be changed into a prime (71326219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4501 + ... + 12763.

It is an arithmetic number, because the mean of its divisors is an integer number (4555530).

Almost surely, 2^71326216 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 71326216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72888480).

71326216 is an abundant number, since it is smaller than the sum of its proper divisors (74450744).

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

71326216 is a wasteful number, since it uses less digits than its factorization.

71326216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8365 (or 8361 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 71326216 is about 8445.4849475918. The cubic root of 71326216 is about 414.7149850242.

The spelling of 71326216 in words is "seventy-one million, three hundred twenty-six thousand, two hundred sixteen".