68894080 has 32 divisors (see below), whose sum is σ = 164701440. Its totient is φ = 27557376.

The previous prime is 68894051. The next prime is 68894087. The reversal of 68894080 is 8049886.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68894087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53184 + ... + 54463.

It is an arithmetic number, because the mean of its divisors is an integer number (5146920).

Almost surely, 2^68894080 is an apocalyptic number.

It is an amenable number.

68894080 is an abundant number, since it is smaller than the sum of its proper divisors (95807360).

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

68894080 is a wasteful number, since it uses less digits than its factorization.

68894080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107666 (or 107654 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 68894080 is about 8300.2457794935. The cubic root of 68894080 is about 409.9466121244.

The spelling of 68894080 in words is "sixty-eight million, eight hundred ninety-four thousand, eighty".