64482984 has 72 divisors (see below), whose sum is σ = 182672490. Its totient is φ = 20547648.

The previous prime is 64482973. The next prime is 64482991. The reversal of 64482984 is 48928446.

It can be written as a sum of positive squares in only one way, i.e., 57608100 + 6874884 = 7590^2 + 2622^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

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 17 ways as a sum of consecutive naturals, for example, 37242 + ... + 38934.

Almost surely, 2^64482984 is an apocalyptic number.

64482984 is the 5079-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64482984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91336245).

64482984 is an abundant number, since it is smaller than the sum of its proper divisors (118189506).

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

64482984 is a wasteful number, since it uses less digits than its factorization.

64482984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751 (or 1721 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 64482984 is about 8030.1297623388. The cubic root of 64482984 is about 401.0036960458.

The spelling of 64482984 in words is "sixty-four million, four hundred eighty-two thousand, nine hundred eighty-four".