68717078 has 8 divisors (see below), whose sum is σ = 104234040. Its totient is φ = 33972400.

The previous prime is 68717063. The next prime is 68717081. The reversal of 68717078 is 87071786.

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

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, 192848 + ... + 193203.

It is an arithmetic number, because the mean of its divisors is an integer number (13029255).

Almost surely, 2^68717078 is an apocalyptic number.

68717078 is a deficient number, since it is larger than the sum of its proper divisors (35516962).

68717078 is a wasteful number, since it uses less digits than its factorization.

68717078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386142.

The product of its (nonzero) digits is 131712, while the sum is 44.

The square root of 68717078 is about 8289.5764668649. The cubic root of 68717078 is about 409.5952340843.

The spelling of 68717078 in words is "sixty-eight million, seven hundred seventeen thousand, seventy-eight".