68959522 has 4 divisors (see below), whose sum is σ = 103439286. Its totient is φ = 34479760.

The previous prime is 68959511. The next prime is 68959529. The reversal of 68959522 is 22595986.

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., 63059481 + 5900041 = 7941^2 + 2429^2 .

It is not an unprimeable number, because it can be changed into a prime (68959529) 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, 17239879 + ... + 17239882.

Almost surely, 2^68959522 is an apocalyptic number.

68959522 is a deficient number, since it is larger than the sum of its proper divisors (34479764).

68959522 is a wasteful number, since it uses less digits than its factorization.

68959522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34479763.

The product of its digits is 388800, while the sum is 46.

The square root of 68959522 is about 8304.1870161985. The cubic root of 68959522 is about 410.0763728439.

The spelling of 68959522 in words is "sixty-eight million, nine hundred fifty-nine thousand, five hundred twenty-two".