71522056 has 16 divisors (see below), whose sum is σ = 134994240. Its totient is φ = 35523600.

The previous prime is 71522047. The next prime is 71522057. The reversal of 71522056 is 65022517.

It is not an unprimeable number, because it can be changed into a prime (71522057) 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, 28396 + ... + 30811.

It is an arithmetic number, because the mean of its divisors is an integer number (8437140).

Almost surely, 2^71522056 is an apocalyptic number.

It is an amenable number.

71522056 is a deficient number, since it is larger than the sum of its proper divisors (63472184).

71522056 is a wasteful number, since it uses less digits than its factorization.

71522056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59364 (or 59360 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 71522056 is about 8457.0713607016. The cubic root of 71522056 is about 415.0941983875.

The spelling of 71522056 in words is "seventy-one million, five hundred twenty-two thousand, fifty-six".