68835646 has 8 divisors (see below), whose sum is σ = 112640184. Its totient is φ = 31288920.

The previous prime is 68835643. The next prime is 68835659. The reversal of 68835646 is 64653886.

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

It is a junction number, because it is equal to n+sod(n) for n = 68835596 and 68835605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68835643) 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 3 ways as a sum of consecutive naturals, for example, 1564425 + ... + 1564468.

It is an arithmetic number, because the mean of its divisors is an integer number (14080023).

Almost surely, 2^68835646 is an apocalyptic number.

68835646 is a deficient number, since it is larger than the sum of its proper divisors (43804538).

68835646 is a wasteful number, since it uses less digits than its factorization.

68835646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128906.

The product of its digits is 829440, while the sum is 46.

The square root of 68835646 is about 8296.7250165351. The cubic root of 68835646 is about 409.8306776535.

The spelling of 68835646 in words is "sixty-eight million, eight hundred thirty-five thousand, six hundred forty-six".