64518032 has 20 divisors (see below), whose sum is σ = 125991936. Its totient is φ = 32004000.

The previous prime is 64518031. The next prime is 64518049. The reversal of 64518032 is 23081546.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64517986 and 64518004.

It is not an unprimeable number, because it can be changed into a prime (64518031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13844 + ... + 17907.

Almost surely, 2^64518032 is an apocalyptic number.

It is an amenable number.

64518032 is a deficient number, since it is larger than the sum of its proper divisors (61473904).

64518032 is a wasteful number, since it uses less digits than its factorization.

64518032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31886 (or 31880 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 64518032 is about 8032.3117469381. The cubic root of 64518032 is about 401.0763344957.

Adding to 64518032 its reverse (23081546), we get a palindrome (87599578).

The spelling of 64518032 in words is "sixty-four million, five hundred eighteen thousand, thirty-two".