674804530 has 16 divisors (see below), whose sum is σ = 1216142424. Its totient is φ = 269589760.

The previous prime is 674804453. The next prime is 674804531. The reversal of 674804530 is 35408476.

674804530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 25977²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 242954569 + 431849961 = 15587^2 + 20781^2 .

It is a super-2 number, since 2×674804530² = 910722307417041800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 674804530.

It is not an unprimeable number, because it can be changed into a prime (674804531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32887 + ... + 49306.

Almost surely, 2^674804530 is an apocalyptic number.

674804530 is a deficient number, since it is larger than the sum of its proper divisors (541337894).

674804530 is a wasteful number, since it uses less digits than its factorization.

674804530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83021.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 674804530 is about 25977.0000192478. Note that the first 4 decimals coincide. The cubic root of 674804530 is about 877.1206380672.

It can be divided in two parts, 67480 and 4530, that added together give a triangular number (72010 = T₃₇₉).

The spelling of 674804530 in words is "six hundred seventy-four million, eight hundred four thousand, five hundred thirty".