68860745 has 8 divisors (see below), whose sum is σ = 83679360. Its totient is φ = 54390960.

The previous prime is 68860741. The next prime is 68860751. The reversal of 68860745 is 54706886.

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

It is not a de Polignac number, because 68860745 - 2² = 68860741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68860696 and 68860705.

It is not an unprimeable number, because it can be changed into a prime (68860741) 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 7 ways as a sum of consecutive naturals, for example, 86771 + ... + 87560.

It is an arithmetic number, because the mean of its divisors is an integer number (10459920).

Almost surely, 2^68860745 is an apocalyptic number.

It is an amenable number.

68860745 is a deficient number, since it is larger than the sum of its proper divisors (14818615).

68860745 is a wasteful number, since it uses less digits than its factorization.

68860745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174415.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 68860745 is about 8298.2374634617. The cubic root of 68860745 is about 409.8804827125.

The spelling of 68860745 in words is "sixty-eight million, eight hundred sixty thousand, seven hundred forty-five".