68811065 has 16 divisors (see below), whose sum is σ = 87326400. Its totient is φ = 51907392.

The previous prime is 68811023. The next prime is 68811073. The reversal of 68811065 is 56011886.

It is not a de Polignac number, because 68811065 - 2²⁰ = 67762489 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20174 + ... + 23336.

It is an arithmetic number, because the mean of its divisors is an integer number (5457900).

Almost surely, 2^68811065 is an apocalyptic number.

It is an amenable number.

68811065 is a deficient number, since it is larger than the sum of its proper divisors (18515335).

68811065 is a wasteful number, since it uses less digits than its factorization.

68811065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 68811065 is about 8295.2435166184. The cubic root of 68811065 is about 409.7818887491.

The spelling of 68811065 in words is "sixty-eight million, eight hundred eleven thousand, sixty-five".