68922078 has 16 divisors (see below), whose sum is σ = 137926800. Its totient is φ = 22960256.

The previous prime is 68922071. The next prime is 68922127. The reversal of 68922078 is 87022986.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68922071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14998 + ... + 19046.

It is an arithmetic number, because the mean of its divisors is an integer number (8620425).

Almost surely, 2^68922078 is an apocalyptic number.

68922078 is an abundant number, since it is smaller than the sum of its proper divisors (69004722).

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

68922078 is a wasteful number, since it uses less digits than its factorization.

68922078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 68922078 is about 8301.9321847387. The cubic root of 68922078 is about 410.0021376054.

The spelling of 68922078 in words is "sixty-eight million, nine hundred twenty-two thousand, seventy-eight".