68301911 has 4 divisors (see below), whose sum is σ = 68320824. Its totient is φ = 68283000.

The previous prime is 68301851. The next prime is 68301917. The reversal of 68301911 is 11910386.

It is a happy number.

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 68301911 - 2²² = 64107607 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 (68301917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165 + ... + 11886.

It is an arithmetic number, because the mean of its divisors is an integer number (17080206).

Almost surely, 2^68301911 is an apocalyptic number.

68301911 is a deficient number, since it is larger than the sum of its proper divisors (18913).

68301911 is a wasteful number, since it uses less digits than its factorization.

68301911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18912.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 68301911 is about 8264.4970203879. The cubic root of 68301911 is about 408.7686853457.

The spelling of 68301911 in words is "sixty-eight million, three hundred one thousand, nine hundred eleven".