68170738 has 16 divisors (see below), whose sum is σ = 105041376. Its totient is φ = 33163200.

The previous prime is 68170723. The next prime is 68170757. The reversal of 68170738 is 83707186.

It is a self number, because there is not a number n which added to its sum of digits gives 68170738.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 22938 + ... + 25738.

It is an arithmetic number, because the mean of its divisors is an integer number (6565086).

Almost surely, 2^68170738 is an apocalyptic number.

68170738 is a deficient number, since it is larger than the sum of its proper divisors (36870638).

68170738 is a wasteful number, since it uses less digits than its factorization.

68170738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 68170738 is about 8256.5572728589. The cubic root of 68170738 is about 408.5068391992.

The spelling of 68170738 in words is "sixty-eight million, one hundred seventy thousand, seven hundred thirty-eight".