68194368 has 168 divisors, whose sum is σ = 218724480. Its totient is φ = 20136960.

The previous prime is 68194349. The next prime is 68194387. The reversal of 68194368 is 86349186.

It is an interprime number because it is at equal distance from previous prime (68194349) and next prime (68194387).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297678 + ... + 297906.

Almost surely, 2^68194368 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 68194368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109362240).

68194368 is an abundant number, since it is smaller than the sum of its proper divisors (150530112).

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

68194368 is a wasteful number, since it uses less digits than its factorization.

68194368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 292 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 68194368 is about 8257.9881327113. The cubic root of 68194368 is about 408.5540339427.

The spelling of 68194368 in words is "sixty-eight million, one hundred ninety-four thousand, three hundred sixty-eight".