68630286 has 16 divisors (see below), whose sum is σ = 137365200. Its totient is φ = 22859328.

The previous prime is 68630273. The next prime is 68630291. The reversal of 68630286 is 68203686.

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 7 ways as a sum of consecutive naturals, for example, 6100 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (8585325).

Almost surely, 2^68630286 is an apocalyptic number.

68630286 is an abundant number, since it is smaller than the sum of its proper divisors (68734914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68630286 is a wasteful number, since it uses less digits than its factorization.

68630286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 68630286 is about 8284.3398047159. The cubic root of 68630286 is about 409.4227172084.

The spelling of 68630286 in words is "sixty-eight million, six hundred thirty thousand, two hundred eighty-six".