66882743 has 8 divisors (see below), whose sum is σ = 71714880. Its totient is φ = 62150400.

The previous prime is 66882737. The next prime is 66882749. The reversal of 66882743 is 34728866.

It is an interprime number because it is at equal distance from previous prime (66882737) and next prime (66882749).

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 66882743 - 2¹⁰ = 66881719 is a prime.

It is a super-2 number, since 2×66882743² = 8946602622408098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66882694 and 66882703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66882749) 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, 23558 + ... + 26243.

It is an arithmetic number, because the mean of its divisors is an integer number (8964360).

Almost surely, 2^66882743 is an apocalyptic number.

66882743 is a deficient number, since it is larger than the sum of its proper divisors (4832137).

66882743 is a wasteful number, since it uses less digits than its factorization.

66882743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49897.

The product of its digits is 387072, while the sum is 44.

The square root of 66882743 is about 8178.1870240292. The cubic root of 66882743 is about 405.9177339042.

The spelling of 66882743 in words is "sixty-six million, eight hundred eighty-two thousand, seven hundred forty-three".