669730010 has 16 divisors (see below), whose sum is σ = 1205900136. Its totient is φ = 267806208.

The previous prime is 669730003. The next prime is 669730027. The reversal of 669730010 is 10037966.

It can be written as a sum of positive squares in 4 ways, for example, as 289986841 + 379743169 = 17029^2 + 19487^2 .

It is an unprimeable number.

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, 29102 + ... + 46758.

Almost surely, 2^669730010 is an apocalyptic number.

669730010 is a deficient number, since it is larger than the sum of its proper divisors (536170126).

669730010 is a wasteful number, since it uses less digits than its factorization.

669730010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21457.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 669730010 is about 25879.1423737341. The cubic root of 669730010 is about 874.9164589629.

Adding to 669730010 its reverse (10037966), we get a palindrome (679767976).

The spelling of 669730010 in words is "six hundred sixty-nine million, seven hundred thirty thousand, ten".