68187426 has 8 divisors (see below), whose sum is σ = 136374864. Its totient is φ = 22729140.

The previous prime is 68187419. The next prime is 68187473. The reversal of 68187426 is 62478186.

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

68187426 is an admirable number.

It is a super-3 number, since 3×68187426³ (a number of 24 digits) contains 333 as substring.

It is a Curzon 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, 5682280 + ... + 5682291.

It is an arithmetic number, because the mean of its divisors is an integer number (17046858).

Almost surely, 2^68187426 is an apocalyptic number.

68187426 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.

68187426 is a wasteful number, since it uses less digits than its factorization.

68187426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364576.

The product of its digits is 129024, while the sum is 42.

The square root of 68187426 is about 8257.5678017198. The cubic root of 68187426 is about 408.5401702448.

The spelling of 68187426 in words is "sixty-eight million, one hundred eighty-seven thousand, four hundred twenty-six".