68089910 has 24 divisors (see below), whose sum is σ = 142572960. Its totient is φ = 23344944.

The previous prime is 68089909. The next prime is 68089927. The reversal of 68089910 is 1998086.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 68990 + ... + 69969.

It is an arithmetic number, because the mean of its divisors is an integer number (5940540).

Almost surely, 2^68089910 is an apocalyptic number.

68089910 is an abundant number, since it is smaller than the sum of its proper divisors (74483050).

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

68089910 is a wasteful number, since it uses less digits than its factorization.

68089910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138980 (or 138973 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 68089910 is about 8251.6610449048. The cubic root of 68089910 is about 408.3453239109.

The spelling of 68089910 in words is "sixty-eight million, eighty-nine thousand, nine hundred ten".