68864244 has 12 divisors (see below), whose sum is σ = 160683264. Its totient is φ = 22954744.

The previous prime is 68864239. The next prime is 68864261. The reversal of 68864244 is 44246886.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 68864196 and 68864205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2869332 + ... + 2869355.

It is an arithmetic number, because the mean of its divisors is an integer number (13390272).

Almost surely, 2^68864244 is an apocalyptic number.

It is an amenable number.

68864244 is an abundant number, since it is smaller than the sum of its proper divisors (91819020).

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

68864244 is a wasteful number, since it uses less digits than its factorization.

68864244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738694 (or 5738692 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 68864244 is about 8298.4482886863. The cubic root of 68864244 is about 409.8874249722.

The spelling of 68864244 in words is "sixty-eight million, eight hundred sixty-four thousand, two hundred forty-four".