64884470 has 16 divisors (see below), whose sum is σ = 133476768. Its totient is φ = 22246080.

The previous prime is 64884389. The next prime is 64884473. The reversal of 64884470 is 7448846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64884473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 463391 + ... + 463530.

It is an arithmetic number, because the mean of its divisors is an integer number (8342298).

Almost surely, 2^64884470 is an apocalyptic number.

64884470 is an abundant number, since it is smaller than the sum of its proper divisors (68592298).

64884470 is a wasteful number, since it uses less digits than its factorization.

64884470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926935.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 64884470 is about 8055.0896953417. The cubic root of 64884470 is about 401.8342220507.

The spelling of 64884470 in words is "sixty-four million, eight hundred eighty-four thousand, four hundred seventy".