68446039 has 8 divisors (see below), whose sum is σ = 69071760. Its totient is φ = 67823616.

The previous prime is 68446031. The next prime is 68446057. The reversal of 68446039 is 93064486.

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 68446039 - 2³ = 68446031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68445992 and 68446010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68446031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58272 + ... + 59434.

It is an arithmetic number, because the mean of its divisors is an integer number (8633970).

Almost surely, 2^68446039 is an apocalyptic number.

68446039 is a deficient number, since it is larger than the sum of its proper divisors (625721).

68446039 is a wasteful number, since it uses less digits than its factorization.

68446039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 68446039 is about 8273.2121331439. The cubic root of 68446039 is about 409.0560058647.

The spelling of 68446039 in words is "sixty-eight million, four hundred forty-six thousand, thirty-nine".