64183872 has 56 divisors (see below), whose sum is σ = 170480736. Its totient is φ = 21311488.

The previous prime is 64183871. The next prime is 64183877. The reversal of 64183872 is 27838146.

64183872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64183872.

It is not an unprimeable number, because it can be changed into a prime (64183871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67303 + ... + 68249.

Almost surely, 2^64183872 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 64183872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85240368).

64183872 is an abundant number, since it is smaller than the sum of its proper divisors (106296864).

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

64183872 is a wasteful number, since it uses less digits than its factorization.

64183872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1305 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 64183872 is about 8011.4837577068. The cubic root of 64183872 is about 400.3827004009.

The spelling of 64183872 in words is "sixty-four million, one hundred eighty-three thousand, eight hundred seventy-two".