68634008 has 8 divisors (see below), whose sum is σ = 128688780. Its totient is φ = 34317000.

The previous prime is 68633953. The next prime is 68634011. The reversal of 68634008 is 80043686.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4289618 + ... + 4289633.

Almost surely, 2^68634008 is an apocalyptic number.

It is an amenable number.

68634008 is a deficient number, since it is larger than the sum of its proper divisors (60054772).

68634008 is a wasteful number, since it uses less digits than its factorization.

68634008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579257 (or 8579253 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 68634008 is about 8284.5644423832. The cubic root of 68634008 is about 409.4301184297.

The spelling of 68634008 in words is "sixty-eight million, six hundred thirty-four thousand, eight".