64334080 has 36 divisors (see below), whose sum is σ = 154103292. Its totient is φ = 25733120.

The previous prime is 64334051. The next prime is 64334087. The reversal of 64334080 is 8043346.

It can be written as a sum of positive squares in 2 ways, for example, as 17438976 + 46895104 = 4176^2 + 6848^2 .

It is not an unprimeable number, because it can be changed into a prime (64334087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23851 + ... + 26410.

It is an arithmetic number, because the mean of its divisors is an integer number (4280647).

Almost surely, 2^64334080 is an apocalyptic number.

It is an amenable number.

64334080 is an abundant number, since it is smaller than the sum of its proper divisors (89769212).

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

64334080 is an equidigital number, since it uses as much as digits as its factorization.

64334080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50282 (or 50268 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 64334080 is about 8020.8528224871. The cubic root of 64334080 is about 400.6947924598.

The spelling of 64334080 in words is "sixty-four million, three hundred thirty-four thousand, eighty".