71522482 has 4 divisors (see below), whose sum is σ = 107283726. Its totient is φ = 35761240.

The previous prime is 71522471. The next prime is 71522483. The reversal of 71522482 is 28422517.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36108081 + 35414401 = 6009^2 + 5951^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (71522483) by changing a digit.

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 as a sum of consecutive naturals, namely, 17880619 + ... + 17880622.

Almost surely, 2^71522482 is an apocalyptic number.

71522482 is a deficient number, since it is larger than the sum of its proper divisors (35761244).

71522482 is a wasteful number, since it uses less digits than its factorization.

71522482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35761243.

The product of its digits is 8960, while the sum is 31.

The square root of 71522482 is about 8457.0965466879. The cubic root of 71522482 is about 415.0950225145.

Adding to 71522482 its reverse (28422517), we get a palindrome (99944999).

The spelling of 71522482 in words is "seventy-one million, five hundred twenty-two thousand, four hundred eighty-two".