68697066 has 8 divisors (see below), whose sum is σ = 137394144. Its totient is φ = 22899020.

The previous prime is 68697061. The next prime is 68697091. The reversal of 68697066 is 66079686.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

68697066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (68697061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5724750 + ... + 5724761.

It is an arithmetic number, because the mean of its divisors is an integer number (17174268).

Almost surely, 2^68697066 is an apocalyptic number.

68697066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68697066 is a wasteful number, since it uses less digits than its factorization.

68697066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11449516.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 68697066 is about 8288.3693209219. The cubic root of 68697066 is about 409.5554690269. Note that the first 3 decimals are identical.

The spelling of 68697066 in words is "sixty-eight million, six hundred ninety-seven thousand, sixty-six".