66752044 has 6 divisors (see below), whose sum is σ = 116816084. Its totient is φ = 33376020.

The previous prime is 66752041. The next prime is 66752053. The reversal of 66752044 is 44025766.

It is not an unprimeable number, because it can be changed into a prime (66752041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8344002 + ... + 8344009.

Almost surely, 2^66752044 is an apocalyptic number.

It is an amenable number.

66752044 is a deficient number, since it is larger than the sum of its proper divisors (50064040).

66752044 is a wasteful number, since it uses less digits than its factorization.

66752044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16688015 (or 16688013 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 66752044 is about 8170.1924089950. The cubic root of 66752044 is about 405.6531532616.

The spelling of 66752044 in words is "sixty-six million, seven hundred fifty-two thousand, forty-four".