64605232 has 10 divisors (see below), whose sum is σ = 125172668. Its totient is φ = 32302608.

The previous prime is 64605223. The next prime is 64605239. The reversal of 64605232 is 23250646.

It is a happy number.

64605232 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 64605232.

It is not an unprimeable number, because it can be changed into a prime (64605239) 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 as a sum of consecutive naturals, namely, 2018898 + ... + 2018929.

Almost surely, 2^64605232 is an apocalyptic number.

It is an amenable number.

64605232 is a deficient number, since it is larger than the sum of its proper divisors (60567436).

64605232 is a wasteful number, since it uses less digits than its factorization.

64605232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037835 (or 4037829 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 64605232 is about 8037.7379902557. The cubic root of 64605232 is about 401.2569460792.

Adding to 64605232 its reverse (23250646), we get a palindrome (87855878).

The spelling of 64605232 in words is "sixty-four million, six hundred five thousand, two hundred thirty-two".