68836944 has 80 divisors (see below), whose sum is σ = 205433280. Its totient is φ = 19630080.

The previous prime is 68836931. The next prime is 68836951. The reversal of 68836944 is 44963886.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 68836893 and 68836902.

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 15 ways as a sum of consecutive naturals, for example, 5142 + ... + 12810.

It is an arithmetic number, because the mean of its divisors is an integer number (2567916).

Almost surely, 2^68836944 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 68836944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102716640).

68836944 is an abundant number, since it is smaller than the sum of its proper divisors (136596336).

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

68836944 is a wasteful number, since it uses less digits than its factorization.

68836944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708 (or 7702 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 68836944 is about 8296.8032398027. The cubic root of 68836944 is about 409.8332536294.

The spelling of 68836944 in words is "sixty-eight million, eight hundred thirty-six thousand, nine hundred forty-four".