68405118 has 8 divisors (see below), whose sum is σ = 136810248. Its totient is φ = 22801704.

The previous prime is 68405107. The next prime is 68405137. The reversal of 68405118 is 81150486.

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

68405118 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5700421 + ... + 5700432.

It is an arithmetic number, because the mean of its divisors is an integer number (17101281).

Almost surely, 2^68405118 is an apocalyptic number.

68405118 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.

68405118 is a wasteful number, since it uses less digits than its factorization.

68405118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11400858.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 68405118 is about 8270.7386610870. The cubic root of 68405118 is about 408.9744705024.

The spelling of 68405118 in words is "sixty-eight million, four hundred five thousand, one hundred eighteen".