68844756 has 12 divisors (see below), whose sum is σ = 160637792. Its totient is φ = 22948248.

The previous prime is 68844751. The next prime is 68844757. The reversal of 68844756 is 65744886.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68844751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2868520 + ... + 2868543.

Almost surely, 2^68844756 is an apocalyptic number.

It is an amenable number.

68844756 is an abundant number, since it is smaller than the sum of its proper divisors (91793036).

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

68844756 is a wasteful number, since it uses less digits than its factorization.

68844756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737070 (or 5737068 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 68844756 is about 8297.2740101795. The cubic root of 68844756 is about 409.8487564301.

The spelling of 68844756 in words is "sixty-eight million, eight hundred forty-four thousand, seven hundred fifty-six".