64529080 has 192 divisors, whose sum is σ = 191328480. Its totient is φ = 19353600.

The previous prime is 64529071. The next prime is 64529083. The reversal of 64529080 is 8092546.

It is a happy number.

64529080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64529083) 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 47 ways as a sum of consecutive naturals, for example, 883924 + ... + 883996.

Almost surely, 2^64529080 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 64529080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95664240).

64529080 is an abundant number, since it is smaller than the sum of its proper divisors (126799400).

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

64529080 is a wasteful number, since it uses less digits than its factorization.

64529080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 64529080 is about 8032.9994398108. Note that the first 3 decimals coincide. The cubic root of 64529080 is about 401.0992264858.

The spelling of 64529080 in words is "sixty-four million, five hundred twenty-nine thousand, eighty".