66482753 has 4 divisors (see below), whose sum is σ = 66535620. Its totient is φ = 66429888.

The previous prime is 66482743. The next prime is 66482777. The reversal of 66482753 is 35728466.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45064369 + 21418384 = 6713^2 + 4628^2 .

It is a cyclic number.

It is not a de Polignac number, because 66482753 - 2⁴ = 66482737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66482753.

It is not an unprimeable number, because it can be changed into a prime (66482743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24500 + ... + 27077.

It is an arithmetic number, because the mean of its divisors is an integer number (16633905).

Almost surely, 2^66482753 is an apocalyptic number.

It is an amenable number.

66482753 is a deficient number, since it is larger than the sum of its proper divisors (52867).

66482753 is a wasteful number, since it uses less digits than its factorization.

66482753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52866.

The product of its digits is 241920, while the sum is 41.

The square root of 66482753 is about 8153.6956651570. The cubic root of 66482753 is about 405.1069229452.

The spelling of 66482753 in words is "sixty-six million, four hundred eighty-two thousand, seven hundred fifty-three".