68210236 has 6 divisors (see below), whose sum is σ = 119367920. Its totient is φ = 34105116.

The previous prime is 68210231. The next prime is 68210237. The reversal of 68210236 is 63201286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68210231) by changing a digit.

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 as a sum of consecutive naturals, namely, 8526276 + ... + 8526283.

Almost surely, 2^68210236 is an apocalyptic number.

It is an amenable number.

68210236 is a deficient number, since it is larger than the sum of its proper divisors (51157684).

68210236 is a wasteful number, since it uses less digits than its factorization.

68210236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17052563 (or 17052561 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 68210236 is about 8258.9488435272. The cubic root of 68210236 is about 408.5857200034.

The spelling of 68210236 in words is "sixty-eight million, two hundred ten thousand, two hundred thirty-six".