674660530 has 16 divisors (see below), whose sum is σ = 1216058904. Its totient is φ = 269493120.

The previous prime is 674660491. The next prime is 674660537. The reversal of 674660530 is 35066476.

It can be written as a sum of positive squares in 4 ways, for example, as 667653921 + 7006609 = 25839^2 + 2647^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 674660530.

It is not an unprimeable number, because it can be changed into a prime (674660537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38691 + ... + 53350.

Almost surely, 2^674660530 is an apocalyptic number.

674660530 is a deficient number, since it is larger than the sum of its proper divisors (541398374).

674660530 is a wasteful number, since it uses less digits than its factorization.

674660530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92781.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 674660530 is about 25974.2281887258. The cubic root of 674660530 is about 877.0582425380.

It can be divided in two parts, 6746 and 60530, that added together give a palindrome (67276).

The spelling of 674660530 in words is "six hundred seventy-four million, six hundred sixty thousand, five hundred thirty".