68205046 has 16 divisors (see below), whose sum is σ = 125917344. Its totient is φ = 26982144.

The previous prime is 68205043. The next prime is 68205073. The reversal of 68205046 is 64050286.

It is a junction number, because it is equal to n+sod(n) for n = 68204999 and 68205017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68205043) 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, 187195 + ... + 187558.

It is an arithmetic number, because the mean of its divisors is an integer number (7869834).

Almost surely, 2^68205046 is an apocalyptic number.

68205046 is a deficient number, since it is larger than the sum of its proper divisors (57712298).

68205046 is a wasteful number, since it uses less digits than its factorization.

68205046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374775.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 68205046 is about 8258.6346329160. The cubic root of 68205046 is about 408.5753568780.

The spelling of 68205046 in words is "sixty-eight million, two hundred five thousand, forty-six".