71313328 has 20 divisors (see below), whose sum is σ = 138459888. Its totient is φ = 35581760.

The previous prime is 71313311. The next prime is 71313329. The reversal of 71313328 is 82331317.

It is a junction number, because it is equal to n+sod(n) for n = 71313296 and 71313305.

It is not an unprimeable number, because it can be changed into a prime (71313329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618 + ... + 12478.

Almost surely, 2^71313328 is an apocalyptic number.

It is an amenable number.

71313328 is a deficient number, since it is larger than the sum of its proper divisors (67146560).

71313328 is a wasteful number, since it uses less digits than its factorization.

71313328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372 (or 9366 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 71313328 is about 8444.7219018746. The cubic root of 71313328 is about 414.6900051081.

It can be divided in two parts, 713 and 13328, that added together give a palindrome (14041).

The spelling of 71313328 in words is "seventy-one million, three hundred thirteen thousand, three hundred twenty-eight".