68444079 has 16 divisors (see below), whose sum is σ = 101675520. Its totient is φ = 40597760.

The previous prime is 68444053. The next prime is 68444083. The reversal of 68444079 is 97044486.

It is a cyclic number.

It is not a de Polignac number, because 68444079 - 2¹⁵ = 68411311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68444079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68444179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20514 + ... + 23615.

It is an arithmetic number, because the mean of its divisors is an integer number (6354720).

Almost surely, 2^68444079 is an apocalyptic number.

68444079 is a deficient number, since it is larger than the sum of its proper divisors (33231441).

68444079 is a wasteful number, since it uses less digits than its factorization.

68444079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44190.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 68444079 is about 8273.0936777000. The cubic root of 68444079 is about 409.0521012929.

The spelling of 68444079 in words is "sixty-eight million, four hundred forty-four thousand, seventy-nine".