674804453 has 2 divisors, whose sum is σ = 674804454. Its totient is φ = 674804452.

The previous prime is 674804441. The next prime is 674804531. The reversal of 674804453 is 354408476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521985409 + 152819044 = 22847^2 + 12362^2 .

It is a cyclic number.

It is not a de Polignac number, because 674804453 - 2¹⁴ = 674788069 is a prime.

It is a super-2 number, since 2×674804453² = 910722099577258418, 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 674804453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674807453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337402226 + 337402227.

It is an arithmetic number, because the mean of its divisors is an integer number (337402227).

Almost surely, 2^674804453 is an apocalyptic number.

It is an amenable number.

674804453 is a deficient number, since it is larger than the sum of its proper divisors (1).

674804453 is an equidigital number, since it uses as much as digits as its factorization.

674804453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 674804453 is about 25976.9985371675. The cubic root of 674804453 is about 877.1206047053.

The spelling of 674804453 in words is "six hundred seventy-four million, eight hundred four thousand, four hundred fifty-three".