64584480 has 96 divisors (see below), whose sum is σ = 204773184. Its totient is φ = 17110016.

The previous prime is 64584473. The next prime is 64584491. The reversal of 64584480 is 8448546.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94219 + ... + 94901.

It is an arithmetic number, because the mean of its divisors is an integer number (2133054).

Almost surely, 2^64584480 is an apocalyptic number.

64584480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64584480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102386592).

64584480 is an abundant number, since it is smaller than the sum of its proper divisors (140188704).

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

64584480 is a wasteful number, since it uses less digits than its factorization.

64584480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 64584480 is about 8036.4469761207. The cubic root of 64584480 is about 401.2139785794.

The spelling of 64584480 in words is "sixty-four million, five hundred eighty-four thousand, four hundred eighty".