66369675 has 24 divisors (see below), whose sum is σ = 112701616. Its totient is φ = 34439040.

The previous prime is 66369673. The next prime is 66369689. The reversal of 66369675 is 57696366.

It is not a de Polignac number, because 66369675 - 2¹ = 66369673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66369673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9184 + ... + 14733.

Almost surely, 2^66369675 is an apocalyptic number.

66369675 is a deficient number, since it is larger than the sum of its proper divisors (46331941).

66369675 is a wasteful number, since it uses less digits than its factorization.

66369675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23967 (or 23962 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 48.

The square root of 66369675 is about 8146.7585578560. The cubic root of 66369675 is about 404.8771155914.

The spelling of 66369675 in words is "sixty-six million, three hundred sixty-nine thousand, six hundred seventy-five".