68511194 has 8 divisors (see below), whose sum is σ = 102977568. Its totient is φ = 34185340.

The previous prime is 68511133. The next prime is 68511199. The reversal of 68511194 is 49111586.

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

It is not an unprimeable number, because it can be changed into a prime (68511199) by changing a digit.

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, 33902 + ... + 35865.

It is an arithmetic number, because the mean of its divisors is an integer number (12872196).

Almost surely, 2^68511194 is an apocalyptic number.

68511194 is a deficient number, since it is larger than the sum of its proper divisors (34466374).

68511194 is a wasteful number, since it uses less digits than its factorization.

68511194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70260.

The product of its digits is 8640, while the sum is 35.

The square root of 68511194 is about 8277.1489052693. The cubic root of 68511194 is about 409.1857605935.

The spelling of 68511194 in words is "sixty-eight million, five hundred eleven thousand, one hundred ninety-four".