64518232 has 48 divisors (see below), whose sum is σ = 128149560. Its totient is φ = 30433536.

The previous prime is 64518191. The next prime is 64518239. The reversal of 64518232 is 23281546.

64518232 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 = 64518194 and 64518203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64518239) 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 11 ways as a sum of consecutive naturals, for example, 470868 + ... + 471004.

Almost surely, 2^64518232 is an apocalyptic number.

It is an amenable number.

64518232 is a deficient number, since it is larger than the sum of its proper divisors (63631328).

64518232 is a wasteful number, since it uses less digits than its factorization.

64518232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 219 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 64518232 is about 8032.3241966445. The cubic root of 64518232 is about 401.0767489286.

Adding to 64518232 its reverse (23281546), we get a palindrome (87799778).

The spelling of 64518232 in words is "sixty-four million, five hundred eighteen thousand, two hundred thirty-two".