66424002 has 16 divisors (see below), whose sum is σ = 133278912. Its totient is φ = 22069520.

The previous prime is 66423989. The next prime is 66424009. The reversal of 66424002 is 20042466.

It is not an unprimeable number, because it can be changed into a prime (66424009) 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, 15933 + ... + 19664.

It is an arithmetic number, because the mean of its divisors is an integer number (8329932).

Almost surely, 2^66424002 is an apocalyptic number.

66424002 is an abundant number, since it is smaller than the sum of its proper divisors (66854910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66424002 is a wasteful number, since it uses less digits than its factorization.

66424002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35913.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 66424002 is about 8150.0921467183. The cubic root of 66424002 is about 404.9875563926.

Adding to 66424002 its reverse (20042466), we get a palindrome (86466468).

The spelling of 66424002 in words is "sixty-six million, four hundred twenty-four thousand, two".