66424982 has 8 divisors (see below), whose sum is σ = 107301936. Its totient is φ = 30657672.

The previous prime is 66424979. The next prime is 66424987. The reversal of 66424982 is 28942466.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66424987) 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, 1277378 + ... + 1277429.

It is an arithmetic number, because the mean of its divisors is an integer number (13412742).

Almost surely, 2^66424982 is an apocalyptic number.

66424982 is a deficient number, since it is larger than the sum of its proper divisors (40876954).

66424982 is a wasteful number, since it uses less digits than its factorization.

66424982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554822.

The product of its digits is 165888, while the sum is 41.

The square root of 66424982 is about 8150.1522685162. The cubic root of 66424982 is about 404.9895480715.

The spelling of 66424982 in words is "sixty-six million, four hundred twenty-four thousand, nine hundred eighty-two".