68704904 has 16 divisors (see below), whose sum is σ = 129963420. Its totient is φ = 34048000.

The previous prime is 68704901. The next prime is 68704913. The reversal of 68704904 is 40940786.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65642404 + 3062500 = 8102^2 + 1750^2 .

It is not an unprimeable number, because it can be changed into a prime (68704901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37097 + ... + 38904.

Almost surely, 2^68704904 is an apocalyptic number.

It is an amenable number.

68704904 is a deficient number, since it is larger than the sum of its proper divisors (61258516).

68704904 is a wasteful number, since it uses less digits than its factorization.

68704904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76120 (or 76116 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 68704904 is about 8288.8421386826. The cubic root of 68704904 is about 409.5710445280.

The spelling of 68704904 in words is "sixty-eight million, seven hundred four thousand, nine hundred four".