68080681 has 8 divisors (see below), whose sum is σ = 70675200. Its totient is φ = 65511120.

The previous prime is 68080669. The next prime is 68080687. The reversal of 68080681 is 18608086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68080681 - 2¹⁵ = 68047913 is a prime.

It is a super-2 number, since 2×68080681² = 9269958250847522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68080681.

It is not an unprimeable number, because it can be changed into a prime (68080687) 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 7 ways as a sum of consecutive naturals, for example, 586 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (8834400).

Almost surely, 2^68080681 is an apocalyptic number.

It is an amenable number.

68080681 is a deficient number, since it is larger than the sum of its proper divisors (2594519).

68080681 is a wasteful number, since it uses less digits than its factorization.

68080681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12479.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 68080681 is about 8251.1018052137. The cubic root of 68080681 is about 408.3268738485.

The spelling of 68080681 in words is "sixty-eight million, eighty thousand, six hundred eighty-one".