68590044 has 48 divisors (see below), whose sum is σ = 180499200. Its totient is φ = 22519728.

The previous prime is 68590013. The next prime is 68590097. The reversal of 68590044 is 44009586.

68590044 is a `hidden beast` number, since 68 + 590 + 0 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68589990 and 68590008.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2497 + ... + 11975.

It is an arithmetic number, because the mean of its divisors is an integer number (3760400).

Almost surely, 2^68590044 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 68590044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90249600).

68590044 is an abundant number, since it is smaller than the sum of its proper divisors (111909156).

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

68590044 is a wasteful number, since it uses less digits than its factorization.

68590044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559 (or 9551 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 68590044 is about 8281.9106491196. The cubic root of 68590044 is about 409.3426786362.

The spelling of 68590044 in words is "sixty-eight million, five hundred ninety thousand, forty-four".