71944324 has 9 divisors (see below), whose sum is σ = 125932261. Its totient is φ = 35963680.

The previous prime is 71944321. The next prime is 71944333. The reversal of 71944324 is 42344917.

It is a happy number.

The square root of 71944324 is 8482.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 70862724 + 1081600 = 8418^2 + 1040^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71944324.

It is not an unprimeable number, because it can be changed into a prime (71944321) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14844 + ... + 19084.

Almost surely, 2^71944324 is an apocalyptic number.

71944324 is the 8482-nd square number.

It is an amenable number.

71944324 is a deficient number, since it is larger than the sum of its proper divisors (53987937).

71944324 is an frugal number, since it uses more digits than its factorization.

71944324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486 (or 4243 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The cubic root of 71944324 is about 415.9095047853.

The spelling of 71944324 in words is "seventy-one million, nine hundred forty-four thousand, three hundred twenty-four".