68484681 has 24 divisors (see below), whose sum is σ = 101751936. Its totient is φ = 44362080.

The previous prime is 68484679. The next prime is 68484701. The reversal of 68484681 is 18648486.

It is not a de Polignac number, because 68484681 - 2¹ = 68484679 is a prime.

It is a super-2 number, since 2×68484681² = 9380303063343522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68484671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104551 + ... + 105203.

It is an arithmetic number, because the mean of its divisors is an integer number (4239664).

Almost surely, 2^68484681 is an apocalyptic number.

It is an amenable number.

68484681 is a deficient number, since it is larger than the sum of its proper divisors (33267255).

68484681 is a wasteful number, since it uses less digits than its factorization.

68484681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 970 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 68484681 is about 8275.5471722418. The cubic root of 68484681 is about 409.1329704766.

The spelling of 68484681 in words is "sixty-eight million, four hundred eighty-four thousand, six hundred eighty-one".