66045032 has 8 divisors (see below), whose sum is σ = 123834450. Its totient is φ = 33022512.

The previous prime is 66044989. The next prime is 66045041. The reversal of 66045032 is 23054066.

It can be written as a sum of positive squares in only one way, i.e., 42172036 + 23872996 = 6494^2 + 4886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 66044992 and 66045010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127807 + ... + 4127822.

Almost surely, 2^66045032 is an apocalyptic number.

It is an amenable number.

66045032 is a deficient number, since it is larger than the sum of its proper divisors (57789418).

66045032 is a wasteful number, since it uses less digits than its factorization.

66045032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255635 (or 8255631 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 66045032 is about 8126.8094600526. The cubic root of 66045032 is about 404.2158928433.

Adding to 66045032 its reverse (23054066), we get a palindrome (89099098).

The spelling of 66045032 in words is "sixty-six million, forty-five thousand, thirty-two".