71344344 has 64 divisors (see below), whose sum is σ = 187165440. Its totient is φ = 22619520.

The previous prime is 71344331. The next prime is 71344349. The reversal of 71344344 is 44344317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71344349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169254 + ... + 169674.

It is an arithmetic number, because the mean of its divisors is an integer number (2924460).

Almost surely, 2^71344344 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 71344344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93582720).

71344344 is an abundant number, since it is smaller than the sum of its proper divisors (115821096).

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

71344344 is a wasteful number, since it uses less digits than its factorization.

71344344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 756 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 71344344 is about 8446.5581155877. The cubic root of 71344344 is about 414.7501161763.

The spelling of 71344344 in words is "seventy-one million, three hundred forty-four thousand, three hundred forty-four".