68126522 has 4 divisors (see below), whose sum is σ = 102189786. Its totient is φ = 34063260.

The previous prime is 68126501. The next prime is 68126537. The reversal of 68126522 is 22562186.

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., 39300361 + 28826161 = 6269^2 + 5369^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17031629 + ... + 17031632.

Almost surely, 2^68126522 is an apocalyptic number.

68126522 is a deficient number, since it is larger than the sum of its proper divisors (34063264).

68126522 is a wasteful number, since it uses less digits than its factorization.

68126522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34063263.

The product of its digits is 11520, while the sum is 32.

The square root of 68126522 is about 8253.8792091961. The cubic root of 68126522 is about 408.4185000012.

The spelling of 68126522 in words is "sixty-eight million, one hundred twenty-six thousand, five hundred twenty-two".