68394468 has 48 divisors (see below), whose sum is σ = 170009280. Its totient is φ = 21325824.

The previous prime is 68394461. The next prime is 68394497. The reversal of 68394468 is 86449386.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (68394461) 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 15 ways as a sum of consecutive naturals, for example, 35580 + ... + 37452.

It is an arithmetic number, because the mean of its divisors is an integer number (3541860).

Almost surely, 2^68394468 is an apocalyptic number.

68394468 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68394468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85004640).

68394468 is an abundant number, since it is smaller than the sum of its proper divisors (101614812).

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

68394468 is a wasteful number, since it uses less digits than its factorization.

68394468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2074 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 68394468 is about 8270.0947999403. The cubic root of 68394468 is about 408.9532449747.

The spelling of 68394468 in words is "sixty-eight million, three hundred ninety-four thousand, four hundred sixty-eight".