68866044 has 24 divisors (see below), whose sum is σ = 173048400. Its totient is φ = 21189504.

The previous prime is 68866043. The next prime is 68866073. The reversal of 68866044 is 44066886.

It is a junction number, because it is equal to n+sod(n) for n = 68865987 and 68866005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68866043) 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, 220569 + ... + 220880.

It is an arithmetic number, because the mean of its divisors is an integer number (7210350).

Almost surely, 2^68866044 is an apocalyptic number.

It is an amenable number.

68866044 is an abundant number, since it is smaller than the sum of its proper divisors (104182356).

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

68866044 is a wasteful number, since it uses less digits than its factorization.

68866044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441469 (or 441467 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 68866044 is about 8298.5567419883. The cubic root of 68866044 is about 409.8909962059.

The spelling of 68866044 in words is "sixty-eight million, eight hundred sixty-six thousand, forty-four".