64328130 has 48 divisors (see below), whose sum is σ = 169625664. Its totient is φ = 16910880.

The previous prime is 64328093. The next prime is 64328137. The reversal of 64328130 is 3182346.

It is a happy number.

64328130 is a `hidden beast` number, since 643 + 2 + 8 + 13 + 0 = 666.

64328130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64328094 and 64328103.

It is not an unprimeable number, because it can be changed into a prime (64328137) 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 23 ways as a sum of consecutive naturals, for example, 1357 + ... + 11423.

It is an arithmetic number, because the mean of its divisors is an integer number (3533868).

Almost surely, 2^64328130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64328130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84812832).

64328130 is an abundant number, since it is smaller than the sum of its proper divisors (105297534).

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

64328130 is a wasteful number, since it uses less digits than its factorization.

64328130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10151 (or 10148 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 64328130 is about 8020.4819057211. The cubic root of 64328130 is about 400.6824391964.

The spelling of 64328130 in words is "sixty-four million, three hundred twenty-eight thousand, one hundred thirty".