68542244 has 6 divisors (see below), whose sum is σ = 119948934. Its totient is φ = 34271120.

The previous prime is 68542211. The next prime is 68542259. The reversal of 68542244 is 44224586.

It can be written as a sum of positive squares in only one way, i.e., 60062500 + 8479744 = 7750^2 + 2912^2 .

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, 8567777 + ... + 8567784.

It is an arithmetic number, because the mean of its divisors is an integer number (19991489).

Almost surely, 2^68542244 is an apocalyptic number.

It is an amenable number.

68542244 is a deficient number, since it is larger than the sum of its proper divisors (51406690).

68542244 is a wasteful number, since it uses less digits than its factorization.

68542244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17135565 (or 17135563 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

The square root of 68542244 is about 8279.0243386525. The cubic root of 68542244 is about 409.2475670333.

It can be divided in two parts, 68542 and 244, that added together give a palindrome (68786).

The spelling of 68542244 in words is "sixty-eight million, five hundred forty-two thousand, two hundred forty-four".