71522085 has 8 divisors (see below), whose sum is σ = 114435360. Its totient is φ = 38145104.

The previous prime is 71522057. The next prime is 71522089. The reversal of 71522085 is 58022517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71522085 - 2⁹ = 71521573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71522089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2384055 + ... + 2384084.

It is an arithmetic number, because the mean of its divisors is an integer number (14304420).

Almost surely, 2^71522085 is an apocalyptic number.

It is an amenable number.

71522085 is a deficient number, since it is larger than the sum of its proper divisors (42913275).

71522085 is a wasteful number, since it uses less digits than its factorization.

71522085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768147.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 71522085 is about 8457.0730752430. The cubic root of 71522085 is about 415.0942544901.

The spelling of 71522085 in words is "seventy-one million, five hundred twenty-two thousand, eighty-five".