68780104 has 16 divisors (see below), whose sum is σ = 130216320. Its totient is φ = 34055760.

The previous prime is 68780093. The next prime is 68780111. The reversal of 68780104 is 40108786.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68780104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40912 + ... + 42559.

It is an arithmetic number, because the mean of its divisors is an integer number (8138520).

Almost surely, 2^68780104 is an apocalyptic number.

It is an amenable number.

68780104 is a deficient number, since it is larger than the sum of its proper divisors (61436216).

68780104 is a wasteful number, since it uses less digits than its factorization.

68780104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83580 (or 83576 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 68780104 is about 8293.3771167119. The cubic root of 68780104 is about 409.7204201448.

The spelling of 68780104 in words is "sixty-eight million, seven hundred eighty thousand, one hundred four".