68456838 has 8 divisors (see below), whose sum is σ = 136913688. Its totient is φ = 22818944.

The previous prime is 68456837. The next prime is 68456873. The reversal of 68456838 is 83865486.

It is a sphenic number, since it is the product of 3 distinct primes.

68456838 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68456837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5704731 + ... + 5704742.

It is an arithmetic number, because the mean of its divisors is an integer number (17114211).

Almost surely, 2^68456838 is an apocalyptic number.

68456838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68456838 is a wasteful number, since it uses less digits than its factorization.

68456838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409478.

The product of its digits is 1105920, while the sum is 48.

The square root of 68456838 is about 8273.8647559650. The cubic root of 68456838 is about 409.0775175235.

The spelling of 68456838 in words is "sixty-eight million, four hundred fifty-six thousand, eight hundred thirty-eight".