68667192 has 96 divisors (see below), whose sum is σ = 204263280. Its totient is φ = 20666880.

The previous prime is 68667103. The next prime is 68667211. The reversal of 68667192 is 29176686.

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 in 23 ways as a sum of consecutive naturals, for example, 219228 + ... + 219540.

Almost surely, 2^68667192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68667192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102131640).

68667192 is an abundant number, since it is smaller than the sum of its proper divisors (135596088).

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

68667192 is a wasteful number, since it uses less digits than its factorization.

68667192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 606 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 68667192 is about 8286.5669610521. The cubic root of 68667192 is about 409.4960932061.

The spelling of 68667192 in words is "sixty-eight million, six hundred sixty-seven thousand, one hundred ninety-two".