68038458 has 8 divisors (see below), whose sum is σ = 136076928. Its totient is φ = 22679484.

The previous prime is 68038429. The next prime is 68038463. The reversal of 68038458 is 85483086.

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

68038458 is an admirable number.

It is an unprimeable number.

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, 5669866 + ... + 5669877.

It is an arithmetic number, because the mean of its divisors is an integer number (17009616).

Almost surely, 2^68038458 is an apocalyptic number.

68038458 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.

68038458 is a wasteful number, since it uses less digits than its factorization.

68038458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11339748.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 68038458 is about 8248.5427803946. The cubic root of 68038458 is about 408.2424428922.

The spelling of 68038458 in words is "sixty-eight million, thirty-eight thousand, four hundred fifty-eight".