71522 has 8 divisors (see below), whose sum is σ = 117072. Its totient is φ = 32500.

The previous prime is 71503. The next prime is 71527. The reversal of 71522 is 22517.

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

It is a self number, because there is not a number n which added to its sum of digits gives 71522.

It is not an unprimeable number, because it can be changed into a prime (71527) by changing a digit.

71522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (14634).

2⁷¹⁵²² is an apocalyptic number.

71522 is a deficient number, since it is larger than the sum of its proper divisors (45550).

71522 is a wasteful number, since it uses less digits than its factorization.

71522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264.

The product of its digits is 140, while the sum is 17.

The square root of 71522 is about 267.4359736460. The cubic root of 71522 is about 41.5094090051.

It can be divided in two parts, 715 and 22, that added together give a palindrome (737).

The spelling of 71522 in words is "seventy-one thousand, five hundred twenty-two".