68680284 has 24 divisors (see below), whose sum is σ = 160676880. Its totient is φ = 22833024.

The previous prime is 68680279. The next prime is 68680291. The reversal of 68680284 is 48208686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689 + ... + 12024.

It is an arithmetic number, because the mean of its divisors is an integer number (6694870).

Almost surely, 2^68680284 is an apocalyptic number.

It is an amenable number.

68680284 is an abundant number, since it is smaller than the sum of its proper divisors (91996596).

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

68680284 is a wasteful number, since it uses less digits than its factorization.

68680284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109 (or 15107 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 68680284 is about 8287.3568765922. The cubic root of 68680284 is about 409.5221162214.

The spelling of 68680284 in words is "sixty-eight million, six hundred eighty thousand, two hundred eighty-four".