68965344 has 216 divisors, whose sum is σ = 237896568. Its totient is φ = 19595520.

The previous prime is 68965333. The next prime is 68965357. The reversal of 68965344 is 44356986.

It is a tau number, because it is divible by the number of its divisors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 68965344.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 380934 + ... + 381114.

It is an arithmetic number, because the mean of its divisors is an integer number (1101373).

Almost surely, 2^68965344 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 68965344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118948284).

68965344 is an abundant number, since it is smaller than the sum of its proper divisors (168931224).

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

68965344 is a wasteful number, since it uses less digits than its factorization.

68965344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 193 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 68965344 is about 8304.5375548552. The cubic root of 68965344 is about 410.0879129348.

The spelling of 68965344 in words is "sixty-eight million, nine hundred sixty-five thousand, three hundred forty-four".