64484316 has 72 divisors (see below), whose sum is σ = 181082160. Its totient is φ = 19835712.

The previous prime is 64484297. The next prime is 64484317. The reversal of 64484316 is 61348446.

64484316 is a `hidden beast` number, since 644 + 8 + 4 + 3 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64484317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16486 + ... + 20018.

It is an arithmetic number, because the mean of its divisors is an integer number (2515030).

Almost surely, 2^64484316 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 64484316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90541080).

64484316 is an abundant number, since it is smaller than the sum of its proper divisors (116597844).

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

64484316 is a wasteful number, since it uses less digits than its factorization.

64484316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572 (or 3551 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 64484316 is about 8030.2126995491. The cubic root of 64484316 is about 401.0064571527.

The spelling of 64484316 in words is "sixty-four million, four hundred eighty-four thousand, three hundred sixteen".