68044020 has 96 divisors (see below), whose sum is σ = 209696256. Its totient is φ = 16348800.

The previous prime is 68043991. The next prime is 68044027. The reversal of 68044020 is 2044086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68044027) 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 31 ways as a sum of consecutive naturals, for example, 86067 + ... + 86853.

It is an arithmetic number, because the mean of its divisors is an integer number (2184336).

Almost surely, 2^68044020 is an apocalyptic number.

68044020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68044020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104848128).

68044020 is an abundant number, since it is smaller than the sum of its proper divisors (141652236).

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

68044020 is a wasteful number, since it uses less digits than its factorization.

68044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 68044020 is about 8248.8799239654. The cubic root of 68044020 is about 408.2535669077.

The spelling of 68044020 in words is "sixty-eight million, forty-four thousand, twenty".