68904118 has 4 divisors (see below), whose sum is σ = 103356180. Its totient is φ = 34452058.

The previous prime is 68904109. The next prime is 68904139. The reversal of 68904118 is 81140986.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent 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 as a sum of consecutive naturals, namely, 17226028 + ... + 17226031.

It is an arithmetic number, because the mean of its divisors is an integer number (25839045).

Almost surely, 2^68904118 is an apocalyptic number.

68904118 is a deficient number, since it is larger than the sum of its proper divisors (34452062).

68904118 is a wasteful number, since it uses less digits than its factorization.

68904118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34452061.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 68904118 is about 8300.8504383587. The cubic root of 68904118 is about 409.9665211608.

The spelling of 68904118 in words is "sixty-eight million, nine hundred four thousand, one hundred eighteen".