68641208 has 8 divisors (see below), whose sum is σ = 128702280. Its totient is φ = 34320600.

The previous prime is 68641193. The next prime is 68641217. The reversal of 68641208 is 80214686.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4290068 + ... + 4290083.

It is an arithmetic number, because the mean of its divisors is an integer number (16087785).

Almost surely, 2^68641208 is an apocalyptic number.

It is an amenable number.

68641208 is a deficient number, since it is larger than the sum of its proper divisors (60061072).

68641208 is a wasteful number, since it uses less digits than its factorization.

68641208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580157 (or 8580153 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 68641208 is about 8284.9989740494. The cubic root of 68641208 is about 409.4444349174. Note that the first 4 decimals are identical.

The spelling of 68641208 in words is "sixty-eight million, six hundred forty-one thousand, two hundred eight".