66027733 has 8 divisors (see below), whose sum is σ = 69076800. Its totient is φ = 62993568.

The previous prime is 66027719. The next prime is 66027739. The reversal of 66027733 is 33772066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66027733 - 2⁵ = 66027701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66027739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5898 + ... + 12916.

It is an arithmetic number, because the mean of its divisors is an integer number (8634600).

Almost surely, 2^66027733 is an apocalyptic number.

It is an amenable number.

66027733 is a deficient number, since it is larger than the sum of its proper divisors (3049067).

66027733 is a wasteful number, since it uses less digits than its factorization.

66027733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 66027733 is about 8125.7450735302. The cubic root of 66027733 is about 404.1805980295.

Adding to 66027733 its reverse (33772066), we get a palindrome (99799799).

The spelling of 66027733 in words is "sixty-six million, twenty-seven thousand, seven hundred thirty-three".