68904850 has 24 divisors (see below), whose sum is σ = 146472768. Its totient is φ = 23624400.

The previous prime is 68904833. The next prime is 68904851. The reversal of 68904850 is 5840986.

It is not an unprimeable number, because it can be changed into a prime (68904851) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 98086 + ... + 98785.

It is an arithmetic number, because the mean of its divisors is an integer number (6103032).

Almost surely, 2^68904850 is an apocalyptic number.

68904850 is an abundant number, since it is smaller than the sum of its proper divisors (77567918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68904850 is a wasteful number, since it uses less digits than its factorization.

68904850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196890 (or 196885 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 68904850 is about 8300.8945301094. The cubic root of 68904850 is about 409.9679729097.

The spelling of 68904850 in words is "sixty-eight million, nine hundred four thousand, eight hundred fifty".