68541745 has 16 divisors (see below), whose sum is σ = 84395520. Its totient is φ = 53414464.

The previous prime is 68541719. The next prime is 68541757. The reversal of 68541745 is 54714586.

It is a cyclic number.

It is not a de Polignac number, because 68541745 - 2⁷ = 68541617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68541698 and 68541707.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 61251 + ... + 62359.

It is an arithmetic number, because the mean of its divisors is an integer number (5274720).

Almost surely, 2^68541745 is an apocalyptic number.

It is an amenable number.

68541745 is a deficient number, since it is larger than the sum of its proper divisors (15853775).

68541745 is a wasteful number, since it uses less digits than its factorization.

68541745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its digits is 134400, while the sum is 40.

The square root of 68541745 is about 8278.9942021963. The cubic root of 68541745 is about 409.2465738986.

The spelling of 68541745 in words is "sixty-eight million, five hundred forty-one thousand, seven hundred forty-five".