68418026 has 8 divisors (see below), whose sum is σ = 103027140. Its totient is φ = 34075648.

The previous prime is 68418001. The next prime is 68418037. The reversal of 68418026 is 62081486.

It can be written as a sum of positive squares in 2 ways, for example, as 56175025 + 12243001 = 7495^2 + 3499^2 .

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

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, 66041 + ... + 67068.

Almost surely, 2^68418026 is an apocalyptic number.

68418026 is a deficient number, since it is larger than the sum of its proper divisors (34609114).

68418026 is a wasteful number, since it uses less digits than its factorization.

68418026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133368.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 68418026 is about 8271.5189657039. The cubic root of 68418026 is about 409.0001932875. Note that the first 3 decimals are identical.

The spelling of 68418026 in words is "sixty-eight million, four hundred eighteen thousand, twenty-six".