68682880 has 64 divisors (see below), whose sum is σ = 187663680. Its totient is φ = 23546880.

The previous prime is 68682877. The next prime is 68682883. The reversal of 68682880 is 8828686.

It is an interprime number because it is at equal distance from previous prime (68682877) and next prime (68682883).

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 68682880.

It is not an unprimeable number, because it can be changed into a prime (68682883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3186 + ... + 12145.

It is an arithmetic number, because the mean of its divisors is an integer number (2932245).

Almost surely, 2^68682880 is an apocalyptic number.

It is an amenable number.

68682880 is an abundant number, since it is smaller than the sum of its proper divisors (118980800).

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

68682880 is a wasteful number, since it uses less digits than its factorization.

68682880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15357 (or 15345 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 68682880 is about 8287.5134992349. The cubic root of 68682880 is about 409.5272759070.

The spelling of 68682880 in words is "sixty-eight million, six hundred eighty-two thousand, eight hundred eighty".