68752111 has 4 divisors (see below), whose sum is σ = 68775400. Its totient is φ = 68728824.

The previous prime is 68752109. The next prime is 68752133. The reversal of 68752111 is 11125786.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68752111 - 2¹ = 68752109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68752511) 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 3 ways as a sum of consecutive naturals, for example, 6441 + ... + 13378.

It is an arithmetic number, because the mean of its divisors is an integer number (17193850).

Almost surely, 2^68752111 is an apocalyptic number.

68752111 is a deficient number, since it is larger than the sum of its proper divisors (23289).

68752111 is a wasteful number, since it uses less digits than its factorization.

68752111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23288.

The product of its digits is 3360, while the sum is 31.

The square root of 68752111 is about 8291.6892730010. The cubic root of 68752111 is about 409.6648281961.

Adding to 68752111 its reverse (11125786), we get a palindrome (79877897).

The spelling of 68752111 in words is "sixty-eight million, seven hundred fifty-two thousand, one hundred eleven".