64466328 has 64 divisors (see below), whose sum is σ = 167247360. Its totient is φ = 20693376.

The previous prime is 64466327. The next prime is 64466341. The reversal of 64466328 is 82366446.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64466327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75150 + ... + 76002.

It is an arithmetic number, because the mean of its divisors is an integer number (2613240).

Almost surely, 2^64466328 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 64466328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83623680).

64466328 is an abundant number, since it is smaller than the sum of its proper divisors (102781032).

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

64466328 is a wasteful number, since it uses less digits than its factorization.

64466328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 972 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 64466328 is about 8029.0926012844. The cubic root of 64466328 is about 400.9691665606.

The spelling of 64466328 in words is "sixty-four million, four hundred sixty-six thousand, three hundred twenty-eight".