68134738 has 16 divisors (see below), whose sum is σ = 117725184. Its totient is φ = 28969920.

The previous prime is 68134721. The next prime is 68134757. The reversal of 68134738 is 83743186.

It is a self number, because there is not a number n which added to its sum of digits gives 68134738.

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 in 7 ways as a sum of consecutive naturals, for example, 17383 + ... + 20938.

It is an arithmetic number, because the mean of its divisors is an integer number (7357824).

Almost surely, 2^68134738 is an apocalyptic number.

68134738 is a deficient number, since it is larger than the sum of its proper divisors (49590446).

68134738 is a wasteful number, since it uses less digits than its factorization.

68134738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38457.

The product of its digits is 96768, while the sum is 40.

The square root of 68134738 is about 8254.3768995606. The cubic root of 68134738 is about 408.4349176479.

The spelling of 68134738 in words is "sixty-eight million, one hundred thirty-four thousand, seven hundred thirty-eight".