674804401 has 2 divisors, whose sum is σ = 674804402. Its totient is φ = 674804400.

The previous prime is 674804329. The next prime is 674804441. The reversal of 674804401 is 104408476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645210801 + 29593600 = 25401^2 + 5440^2 .

It is a cyclic number.

It is not a de Polignac number, because 674804401 - 2²⁵ = 641249969 is a prime.

It is not a weakly prime, because it can be changed into another prime (674804441) 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, 337402200 + 337402201.

It is an arithmetic number, because the mean of its divisors is an integer number (337402201).

Almost surely, 2^674804401 is an apocalyptic number.

It is an amenable number.

674804401 is a deficient number, since it is larger than the sum of its proper divisors (1).

674804401 is an equidigital number, since it uses as much as digits as its factorization.

674804401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 674804401 is about 25976.9975362820. The cubic root of 674804401 is about 877.1205821751.

The spelling of 674804401 in words is "six hundred seventy-four million, eight hundred four thousand, four hundred one".