68745 has 8 divisors (see below), whose sum is σ = 110016. Its totient is φ = 36656.

The previous prime is 68743. The next prime is 68749. The reversal of 68745 is 54786.

It is a happy number.

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 68745 - 2¹ = 68743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2277 + ... + 2306.

It is an arithmetic number, because the mean of its divisors is an integer number (13752).

2⁶⁸⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

68745 is a deficient number, since it is larger than the sum of its proper divisors (41271).

68745 is a wasteful number, since it uses less digits than its factorization.

68745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591.

The product of its digits is 6720, while the sum is 30.

The square root of 68745 is about 262.1926772433. The cubic root of 68745 is about 40.9650703893.

The spelling of 68745 in words is "sixty-eight thousand, seven hundred forty-five".