71600056 has 96 divisors (see below), whose sum is σ = 165186000. Its totient is φ = 28892160.

The previous prime is 71600047. The next prime is 71600071. The reversal of 71600056 is 65000617.

It is a self number, because there is not a number n which added to its sum of digits gives 71600056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312550 + ... + 312778.

Almost surely, 2^71600056 is an apocalyptic number.

71600056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71600056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82593000).

71600056 is an abundant number, since it is smaller than the sum of its proper divisors (93585944).

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

71600056 is a wasteful number, since it uses less digits than its factorization.

71600056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 71600056 is about 8461.6816295580. The cubic root of 71600056 is about 415.2450403630.

The spelling of 71600056 in words is "seventy-one million, six hundred thousand, fifty-six".