68833680 has 80 divisors (see below), whose sum is σ = 225949824. Its totient is φ = 17274880.

The previous prime is 68833657. The next prime is 68833693. The reversal of 68833680 is 8633886.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4356 + ... + 12515.

Almost surely, 2^68833680 is an apocalyptic number.

68833680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68833680 is an abundant number, since it is smaller than the sum of its proper divisors (157116144).

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

68833680 is a wasteful number, since it uses less digits than its factorization.

68833680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16904 (or 16898 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 68833680 is about 8296.6065352046. The cubic root of 68833680 is about 409.8267759213.

The spelling of 68833680 in words is "sixty-eight million, eight hundred thirty-three thousand, six hundred eighty".