243062064 has 240 divisors, whose sum is σ = 815543040. Its totient is φ = 66147840.

The previous prime is 243062023. The next prime is 243062069. The reversal of 243062064 is 460260342.

243062064 is a `hidden beast` number, since 2 + 4 + 30 + 620 + 6 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243062069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3627759 + ... + 3627825.

It is an arithmetic number, because the mean of its divisors is an integer number (3398096).

Almost surely, 2^243062064 is an apocalyptic number.

243062064 is a gapful number since it is divisible by the number (24) 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 243062064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407771520).

243062064 is an abundant number, since it is smaller than the sum of its proper divisors (572480976).

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

243062064 is a wasteful number, since it uses less digits than its factorization.

243062064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 243062064 is about 15590.4478447542. The cubic root of 243062064 is about 624.0782692749.

The spelling of 243062064 in words is "two hundred forty-three million, sixty-two thousand, sixty-four".