68695768 has 16 divisors (see below), whose sum is σ = 131800680. Its totient is φ = 33548928.

The previous prime is 68695763. The next prime is 68695769. The reversal of 68695768 is 86759686.

It is a happy number.

It is a super-2 number, since 2×68695768² = 9438217082219648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68695763) 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 in 3 ways as a sum of consecutive naturals, for example, 99505 + ... + 100192.

Almost surely, 2^68695768 is an apocalyptic number.

It is an amenable number.

68695768 is a deficient number, since it is larger than the sum of its proper divisors (63104912).

68695768 is a wasteful number, since it uses less digits than its factorization.

68695768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199746 (or 199742 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 68695768 is about 8288.2910180567. The cubic root of 68695768 is about 409.5528895555.

The spelling of 68695768 in words is "sixty-eight million, six hundred ninety-five thousand, seven hundred sixty-eight".