68342064 has 100 divisors (see below), whose sum is σ = 206310456. Its totient is φ = 19493376.

The previous prime is 68342063. The next prime is 68342081. The reversal of 68342064 is 46024386.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (68342063) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114952 + ... + 115544.

Almost surely, 2^68342064 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 68342064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103155228).

68342064 is an abundant number, since it is smaller than the sum of its proper divisors (137968392).

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

68342064 is an equidigital number, since it uses as much as digits as its factorization.

68342064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 68342064 is about 8266.9259099136. The cubic root of 68342064 is about 408.8487713126.

The spelling of 68342064 in words is "sixty-eight million, three hundred forty-two thousand, sixty-four".