68367618 has 64 divisors (see below), whose sum is σ = 166924800. Its totient is φ = 20569680.

The previous prime is 68367583. The next prime is 68367701. The reversal of 68367618 is 81676386.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106005 + ... + 106647.

It is an arithmetic number, because the mean of its divisors is an integer number (2608200).

Almost surely, 2^68367618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68367618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83462400).

68367618 is an abundant number, since it is smaller than the sum of its proper divisors (98557182).

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

68367618 is a wasteful number, since it uses less digits than its factorization.

68367618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 838 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 68367618 is about 8268.4713218345. The cubic root of 68367618 is about 408.8997229471.

The spelling of 68367618 in words is "sixty-eight million, three hundred sixty-seven thousand, six hundred eighteen".