66382942 has 8 divisors (see below), whose sum is σ = 99666000. Its totient is φ = 33160944.

The previous prime is 66382937. The next prime is 66382949. The reversal of 66382942 is 24928366.

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

It is a junction number, because it is equal to n+sod(n) for n = 66382895 and 66382904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66382949) 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 3 ways as a sum of consecutive naturals, for example, 12442 + ... + 16957.

It is an arithmetic number, because the mean of its divisors is an integer number (12458250).

Almost surely, 2^66382942 is an apocalyptic number.

66382942 is a deficient number, since it is larger than the sum of its proper divisors (33283058).

66382942 is a wasteful number, since it uses less digits than its factorization.

66382942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30530.

The product of its digits is 124416, while the sum is 40.

The square root of 66382942 is about 8147.5727673952. The cubic root of 66382942 is about 404.9040914998.

The spelling of 66382942 in words is "sixty-six million, three hundred eighty-two thousand, nine hundred forty-two".