66027773 has 8 divisors (see below), whose sum is σ = 75786048. Its totient is φ = 56350944.

The previous prime is 66027769. The next prime is 66027781. The reversal of 66027773 is 37772066.

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 66027773 - 2² = 66027769 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 (66027713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18611 + ... + 21872.

It is an arithmetic number, because the mean of its divisors is an integer number (9473256).

Almost surely, 2^66027773 is an apocalyptic number.

It is an amenable number.

66027773 is a deficient number, since it is larger than the sum of its proper divisors (9758275).

66027773 is a wasteful number, since it uses less digits than its factorization.

66027773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40723.

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 66027773 is about 8125.7475348426. The cubic root of 66027773 is about 404.1806796478.

The spelling of 66027773 in words is "sixty-six million, twenty-seven thousand, seven hundred seventy-three".