68660678 has 8 divisors (see below), whose sum is σ = 105774672. Its totient is φ = 33402456.

The previous prime is 68660677. The next prime is 68660687. The reversal of 68660678 is 87606686.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68660677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463850 + ... + 463997.

It is an arithmetic number, because the mean of its divisors is an integer number (13221834).

Almost surely, 2^68660678 is an apocalyptic number.

68660678 is a deficient number, since it is larger than the sum of its proper divisors (37113994).

68660678 is a wasteful number, since it uses less digits than its factorization.

68660678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927886.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 68660678 is about 8286.1739059713. The cubic root of 68660678 is about 409.4831440726.

The spelling of 68660678 in words is "sixty-eight million, six hundred sixty thousand, six hundred seventy-eight".