68719008 has 24 divisors (see below), whose sum is σ = 180387648. Its totient is φ = 22906304.

The previous prime is 68718977. The next prime is 68719037. The reversal of 68719008 is 80091786.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357816 + ... + 358007.

It is an arithmetic number, because the mean of its divisors is an integer number (7516152).

Almost surely, 2^68719008 is an apocalyptic number.

It is an amenable number.

68719008 is an abundant number, since it is smaller than the sum of its proper divisors (111668640).

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

68719008 is a wasteful number, since it uses less digits than its factorization.

68719008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715836 (or 715828 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 68719008 is about 8289.6928773025. The cubic root of 68719008 is about 409.5990687031.

The spelling of 68719008 in words is "sixty-eight million, seven hundred nineteen thousand, eight".