71344416 has 96 divisors (see below), whose sum is σ = 220062528. Its totient is φ = 19952640.

The previous prime is 71344381. The next prime is 71344451. The reversal of 71344416 is 61444317.

It is an interprime number because it is at equal distance from previous prime (71344381) and next prime (71344451).

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11130 + ... + 16326.

It is an arithmetic number, because the mean of its divisors is an integer number (2292318).

Almost surely, 2^71344416 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 71344416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110031264).

71344416 is an abundant number, since it is smaller than the sum of its proper divisors (148718112).

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

71344416 is a wasteful number, since it uses less digits than its factorization.

71344416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234 (or 5226 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 71344416 is about 8446.5623776777. The cubic root of 71344416 is about 414.7502556968.

Subtracting from 71344416 its reverse (61444317), we obtain a palindrome (9900099).

The spelling of 71344416 in words is "seventy-one million, three hundred forty-four thousand, four hundred sixteen".