68763568 has 20 divisors (see below), whose sum is σ = 133516008. Its totient is φ = 34307840.

The previous prime is 68763559. The next prime is 68763581. The reversal of 68763568 is 86536786.

It is a happy number.

It is an unprimeable number.

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, 3480 + ... + 12232.

Almost surely, 2^68763568 is an apocalyptic number.

It is an amenable number.

68763568 is a deficient number, since it is larger than the sum of its proper divisors (64752440).

68763568 is a wasteful number, since it uses less digits than its factorization.

68763568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252 (or 9246 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 68763568 is about 8292.3801167096. The cubic root of 68763568 is about 409.6875827422.

The spelling of 68763568 in words is "sixty-eight million, seven hundred sixty-three thousand, five hundred sixty-eight".