64484784 has 360 divisors, whose sum is σ = 244411440. Its totient is φ = 15676416.

The previous prime is 64484773. The next prime is 64484807. The reversal of 64484784 is 48748446.

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

It is a zygodrome in base 3 and base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1742814 + ... + 1742850.

Almost surely, 2^64484784 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 64484784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122205720).

64484784 is an abundant number, since it is smaller than the sum of its proper divisors (179926656).

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

64484784 is a wasteful number, since it uses less digits than its factorization.

64484784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 81 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 64484784 is about 8030.2418394467. The cubic root of 64484784 is about 401.0074272623.

The spelling of 64484784 in words is "sixty-four million, four hundred eighty-four thousand, seven hundred eighty-four".