68058785 has 8 divisors (see below), whose sum is σ = 81780840. Its totient is φ = 54373504.

The previous prime is 68058763. The next prime is 68058787. The reversal of 68058785 is 58785086.

It can be written as a sum of positive squares in 4 ways, for example, as 2238016 + 65820769 = 1496^2 + 8113^2 .

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 68058785 - 2⁶ = 68058721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68058787) 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, 4940 + ... + 12669.

It is an arithmetic number, because the mean of its divisors is an integer number (10222605).

Almost surely, 2^68058785 is an apocalyptic number.

It is an amenable number.

68058785 is a deficient number, since it is larger than the sum of its proper divisors (13722055).

68058785 is a wasteful number, since it uses less digits than its factorization.

68058785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18387.

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 68058785 is about 8249.7748454124. The cubic root of 68058785 is about 408.2830940088.

The spelling of 68058785 in words is "sixty-eight million, fifty-eight thousand, seven hundred eighty-five".