71118324 has 84 divisors (see below), whose sum is σ = 193264260. Its totient is φ = 22888656.

The previous prime is 71118287. The next prime is 71118347. The reversal of 71118324 is 42381117.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 12320100 + 58798224 = 3510^2 + 7668^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2452342 + ... + 2452370.

It is an arithmetic number, because the mean of its divisors is an integer number (2300765).

Almost surely, 2^71118324 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 71118324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96632130).

71118324 is an abundant number, since it is smaller than the sum of its proper divisors (122145936).

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

71118324 is an frugal number, since it uses more digits than its factorization.

71118324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 34 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 71118324 is about 8433.1680879726. The cubic root of 71118324 is about 414.3116745637.

The spelling of 71118324 in words is "seventy-one million, one hundred eighteen thousand, three hundred twenty-four".