68183808 has 144 divisors (see below), whose sum is σ = 226442496. Its totient is φ = 17694720.

The previous prime is 68183803. The next prime is 68183813. The reversal of 68183808 is 80838186.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68183803) and next prime (68183813).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 68183808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68183803) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 58560 + ... + 59712.

Almost surely, 2^68183808 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 68183808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113221248).

68183808 is an abundant number, since it is smaller than the sum of its proper divisors (158258688).

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

68183808 is a wasteful number, since it uses less digits than its factorization.

68183808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 68183808 is about 8257.3487270431. The cubic root of 68183808 is about 408.5329444528.

The spelling of 68183808 in words is "sixty-eight million, one hundred eighty-three thousand, eight hundred eight".