71343144 has 48 divisors (see below), whose sum is σ = 194438400. Its totient is φ = 23631264.

The previous prime is 71343131. The next prime is 71343163. The reversal of 71343144 is 44134317.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8697 + ... + 14775.

It is an arithmetic number, because the mean of its divisors is an integer number (4050800).

Almost surely, 2^71343144 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 71343144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97219200).

71343144 is an abundant number, since it is smaller than the sum of its proper divisors (123095256).

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

71343144 is a wasteful number, since it uses less digits than its factorization.

71343144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254 (or 6247 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 71343144 is about 8446.4870804376. The cubic root of 71343144 is about 414.7477908206.

The spelling of 71343144 in words is "seventy-one million, three hundred forty-three thousand, one hundred forty-four".