71313056 has 12 divisors (see below), whose sum is σ = 140397642. Its totient is φ = 35656512.

The previous prime is 71313017. The next prime is 71313083. The reversal of 71313056 is 65031317.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60528400 + 10784656 = 7780^2 + 3284^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114235 + ... + 1114298.

Almost surely, 2^71313056 is an apocalyptic number.

It is an amenable number.

71313056 is a deficient number, since it is larger than the sum of its proper divisors (69084586).

71313056 is a wasteful number, since it uses less digits than its factorization.

71313056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228543 (or 2228535 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 71313056 is about 8444.7057971252. The cubic root of 71313056 is about 414.6894778770.

The spelling of 71313056 in words is "seventy-one million, three hundred thirteen thousand, fifty-six".