67242522 has 16 divisors (see below), whose sum is σ = 134592192. Its totient is φ = 22396320.

The previous prime is 67242493. The next prime is 67242569. The reversal of 67242522 is 22524276.

It is a self number, because there is not a number n which added to its sum of digits gives 67242522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5358 + ... + 12774.

It is an arithmetic number, because the mean of its divisors is an integer number (8412012).

Almost surely, 2^67242522 is an apocalyptic number.

67242522 is an abundant number, since it is smaller than the sum of its proper divisors (67349670).

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

67242522 is a wasteful number, since it uses less digits than its factorization.

67242522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8933.

The product of its digits is 13440, while the sum is 30.

The square root of 67242522 is about 8200.1537790459. The cubic root of 67242522 is about 406.6442770378.

Adding to 67242522 its reverse (22524276), we get a palindrome (89766798).

The spelling of 67242522 in words is "sixty-seven million, two hundred forty-two thousand, five hundred twenty-two".