66482769 has 8 divisors (see below), whose sum is σ = 90529920. Its totient is φ = 43378736.

The previous prime is 66482743. The next prime is 66482777. The reversal of 66482769 is 96728466.

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 66482769 - 2⁵ = 66482737 is a prime.

It is a super-2 number, since 2×66482769² = 8839917147814722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66482789) 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, 235614 + ... + 235895.

It is an arithmetic number, because the mean of its divisors is an integer number (11316240).

Almost surely, 2^66482769 is an apocalyptic number.

It is an amenable number.

66482769 is a deficient number, since it is larger than the sum of its proper divisors (24047151).

66482769 is a wasteful number, since it uses less digits than its factorization.

66482769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471559.

The product of its digits is 870912, while the sum is 48.

The square root of 66482769 is about 8153.6966463071. The cubic root of 66482769 is about 405.1069554434.

The spelling of 66482769 in words is "sixty-six million, four hundred eighty-two thousand, seven hundred sixty-nine".