68824844 has 24 divisors (see below), whose sum is σ = 133249536. Its totient is φ = 30842000.

The previous prime is 68824843. The next prime is 68824849. The reversal of 68824844 is 44842886.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 68824795 and 68824804.

It is not an unprimeable number, because it can be changed into a prime (68824843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7892 + ... + 14139.

It is an arithmetic number, because the mean of its divisors is an integer number (5552064).

Almost surely, 2^68824844 is an apocalyptic number.

It is an amenable number.

68824844 is a deficient number, since it is larger than the sum of its proper divisors (64424692).

68824844 is a wasteful number, since it uses less digits than its factorization.

68824844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22117 (or 22115 counting only the distinct ones).

The product of its digits is 393216, while the sum is 44.

The square root of 68824844 is about 8296.0740112417. The cubic root of 68824844 is about 409.8092390394.

The spelling of 68824844 in words is "sixty-eight million, eight hundred twenty-four thousand, eight hundred forty-four".