68205236 has 12 divisors (see below), whose sum is σ = 130210080. Its totient is φ = 31002360.

The previous prime is 68205217. The next prime is 68205251. The reversal of 68205236 is 63250286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775016 + ... + 775103.

It is an arithmetic number, because the mean of its divisors is an integer number (10850840).

Almost surely, 2^68205236 is an apocalyptic number.

It is an amenable number.

68205236 is a deficient number, since it is larger than the sum of its proper divisors (62004844).

68205236 is a wasteful number, since it uses less digits than its factorization.

68205236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550134 (or 1550132 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 68205236 is about 8258.6461360201. The cubic root of 68205236 is about 408.5757362695.

The spelling of 68205236 in words is "sixty-eight million, two hundred five thousand, two hundred thirty-six".