68044861 has 8 divisors (see below), whose sum is σ = 70277760. Its totient is φ = 65844768.

The previous prime is 68044853. The next prime is 68044883. The reversal of 68044861 is 16844086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68044861 - 2³ = 68044853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68044861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68044841) 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, 3951 + ... + 12316.

It is an arithmetic number, because the mean of its divisors is an integer number (8784720).

Almost surely, 2^68044861 is an apocalyptic number.

It is an amenable number.

68044861 is a deficient number, since it is larger than the sum of its proper divisors (2232899).

68044861 is a wasteful number, since it uses less digits than its factorization.

68044861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16403.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 68044861 is about 8248.9309004258. The cubic root of 68044861 is about 408.2552488573.

The spelling of 68044861 in words is "sixty-eight million, forty-four thousand, eight hundred sixty-one".