66924002 has 8 divisors (see below), whose sum is σ = 106291116. Its totient is φ = 31493632.

The previous prime is 66923999. The next prime is 66924007. The reversal of 66924002 is 20042966.

It can be written as a sum of positive squares in 2 ways, for example, as 64818601 + 2105401 = 8051^2 + 1451^2 .

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

It is not an unprimeable number, because it can be changed into a prime (66924007) 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, 984143 + ... + 984210.

Almost surely, 2^66924002 is an apocalyptic number.

66924002 is a deficient number, since it is larger than the sum of its proper divisors (39367114).

66924002 is a wasteful number, since it uses less digits than its factorization.

66924002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968372.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 66924002 is about 8180.7091379660. The cubic root of 66924002 is about 406.0011850128.

Adding to 66924002 its reverse (20042966), we get a palindrome (86966968).

The spelling of 66924002 in words is "sixty-six million, nine hundred twenty-four thousand, two".