68069808 has 100 divisors (see below), whose sum is σ = 200933568. Its totient is φ = 22239360.

The previous prime is 68069783. The next prime is 68069821. The reversal of 68069808 is 80896086.

It is a super-2 number, since 2×68069808² = 9266997522313728, which contains 22 as substring.

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 19 ways as a sum of consecutive naturals, for example, 68193 + ... + 69183.

Almost surely, 2^68069808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68069808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100466784).

68069808 is an abundant number, since it is smaller than the sum of its proper divisors (132863760).

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

68069808 is a wasteful number, since it uses less digits than its factorization.

68069808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 68069808 is about 8250.4428972025. The cubic root of 68069808 is about 408.3051350605.

The spelling of 68069808 in words is "sixty-eight million, sixty-nine thousand, eight hundred eight".