68199774 has 16 divisors (see below), whose sum is σ = 137652240. Its totient is φ = 22524480.

The previous prime is 68199757. The next prime is 68199787. The reversal of 68199774 is 47799186.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51487 + ... + 52794.

It is an arithmetic number, because the mean of its divisors is an integer number (8603265).

Almost surely, 2^68199774 is an apocalyptic number.

68199774 is an abundant number, since it is smaller than the sum of its proper divisors (69452466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68199774 is a wasteful number, since it uses less digits than its factorization.

68199774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104395.

The product of its digits is 762048, while the sum is 51.

The square root of 68199774 is about 8258.3154456584. The cubic root of 68199774 is about 408.5648294811.

The spelling of 68199774 in words is "sixty-eight million, one hundred ninety-nine thousand, seven hundred seventy-four".