674424481 has 2 divisors, whose sum is σ = 674424482. Its totient is φ = 674424480.

The previous prime is 674424473. The next prime is 674424521. The reversal of 674424481 is 184424476.

It is an a-pointer prime, because the next prime (674424521) can be obtained adding 674424481 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351000225 + 323424256 = 18735^2 + 17984^2 .

It is a cyclic number.

It is not a de Polignac number, because 674424481 - 2³ = 674424473 is a prime.

It is a super-2 number, since 2×674424481² = 909696761144238722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (674424431) 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 as a sum of consecutive naturals, namely, 337212240 + 337212241.

It is an arithmetic number, because the mean of its divisors is an integer number (337212241).

Almost surely, 2^674424481 is an apocalyptic number.

It is an amenable number.

674424481 is a deficient number, since it is larger than the sum of its proper divisors (1).

674424481 is an equidigital number, since it uses as much as digits as its factorization.

674424481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 40.

The square root of 674424481 is about 25969.6838833283. The cubic root of 674424481 is about 876.9559427583.

The spelling of 674424481 in words is "six hundred seventy-four million, four hundred twenty-four thousand, four hundred eighty-one".