68865243 has 16 divisors (see below), whose sum is σ = 97168896. Its totient is φ = 43292480.

The previous prime is 68865191. The next prime is 68865257. The reversal of 68865243 is 34256886.

It is a cyclic number.

It is not a de Polignac number, because 68865243 - 2¹² = 68861147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68865195 and 68865204.

It is not an unprimeable number, because it can be changed into a prime (68866243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2130 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (6073056).

Almost surely, 2^68865243 is an apocalyptic number.

68865243 is a deficient number, since it is larger than the sum of its proper divisors (28303653).

68865243 is a wasteful number, since it uses less digits than its factorization.

68865243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14154.

The product of its digits is 276480, while the sum is 42.

The square root of 68865243 is about 8298.5084804439. The cubic root of 68865243 is about 409.8894070146.

The spelling of 68865243 in words is "sixty-eight million, eight hundred sixty-five thousand, two hundred forty-three".