68447085 has 16 divisors (see below), whose sum is σ = 125160576. Its totient is φ = 31290048.

The previous prime is 68447069. The next prime is 68447111. The reversal of 68447085 is 58074486.

It is not a de Polignac number, because 68447085 - 2⁴ = 68447069 is a prime.

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, 325834 + ... + 326043.

It is an arithmetic number, because the mean of its divisors is an integer number (7822536).

Almost surely, 2^68447085 is an apocalyptic number.

It is an amenable number.

68447085 is a deficient number, since it is larger than the sum of its proper divisors (56713491).

68447085 is a wasteful number, since it uses less digits than its factorization.

68447085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651892.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 68447085 is about 8273.2753489776. The cubic root of 68447085 is about 409.0580896006.

The spelling of 68447085 in words is "sixty-eight million, four hundred forty-seven thousand, eighty-five".