68209246 has 16 divisors (see below), whose sum is σ = 117774720. Its totient is φ = 29021400.

The previous prime is 68209181. The next prime is 68209261. The reversal of 68209246 is 64290286.

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 7 ways as a sum of consecutive naturals, for example, 15580 + ... + 19471.

It is an arithmetic number, because the mean of its divisors is an integer number (7360920).

Almost surely, 2^68209246 is an apocalyptic number.

68209246 is a deficient number, since it is larger than the sum of its proper divisors (49565474).

68209246 is a wasteful number, since it uses less digits than its factorization.

68209246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35199.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 68209246 is about 8258.8889083217. Note that the first 3 decimals coincide. The cubic root of 68209246 is about 408.5837432628.

The spelling of 68209246 in words is "sixty-eight million, two hundred nine thousand, two hundred forty-six".