71255296 has 72 divisors (see below), whose sum is σ = 172186560. Its totient is φ = 28729344.

The previous prime is 71255281. The next prime is 71255351. The reversal of 71255296 is 69255217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29295 + ... + 31633.

It is an arithmetic number, because the mean of its divisors is an integer number (2391480).

Almost surely, 2^71255296 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 71255296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86093280).

71255296 is an abundant number, since it is smaller than the sum of its proper divisors (100931264).

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

71255296 is a wasteful number, since it uses less digits than its factorization.

71255296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2365 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 71255296 is about 8441.2852102035. The cubic root of 71255296 is about 414.5774884075.

It can be divided in two parts, 7125 and 5296, that added together give a palindrome (12421).

The spelling of 71255296 in words is "seventy-one million, two hundred fifty-five thousand, two hundred ninety-six".