68679042 has 16 divisors (see below), whose sum is σ = 137534112. Its totient is φ = 22863680.

The previous prime is 68679029. The next prime is 68679071. The reversal of 68679042 is 24097686.

It is a junction number, because it is equal to n+sod(n) for n = 68678985 and 68679003.

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 7 ways as a sum of consecutive naturals, for example, 1959 + ... + 11882.

It is an arithmetic number, because the mean of its divisors is an integer number (8595882).

Almost surely, 2^68679042 is an apocalyptic number.

68679042 is an abundant number, since it is smaller than the sum of its proper divisors (68855070).

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

68679042 is a wasteful number, since it uses less digits than its factorization.

68679042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14673.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 68679042 is about 8287.2819428326. The cubic root of 68679042 is about 409.5196476356.

The spelling of 68679042 in words is "sixty-eight million, six hundred seventy-nine thousand, forty-two".