64565432 has 16 divisors (see below), whose sum is σ = 121402800. Its totient is φ = 32191360.

The previous prime is 64565429. The next prime is 64565437. The reversal of 64565432 is 23456546.

It is a happy number.

64565432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64565392 and 64565401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64565437) 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 3 ways as a sum of consecutive naturals, for example, 8369 + ... + 14112.

It is an arithmetic number, because the mean of its divisors is an integer number (7587675).

Almost surely, 2^64565432 is an apocalyptic number.

It is an amenable number.

64565432 is a deficient number, since it is larger than the sum of its proper divisors (56837368).

64565432 is a wasteful number, since it uses less digits than its factorization.

64565432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22846 (or 22842 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 64565432 is about 8035.2617878947. The cubic root of 64565432 is about 401.1745311492.

The spelling of 64565432 in words is "sixty-four million, five hundred sixty-five thousand, four hundred thirty-two".