674750449 has 2 divisors, whose sum is σ = 674750450. Its totient is φ = 674750448.

The previous prime is 674750441. The next prime is 674750533. The reversal of 674750449 is 944057476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 606390625 + 68359824 = 24625^2 + 8268^2 .

It is a cyclic number.

It is not a de Polignac number, because 674750449 - 2³ = 674750441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674750399 and 674750408.

It is not a weakly prime, because it can be changed into another prime (674750441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337375224 + 337375225.

It is an arithmetic number, because the mean of its divisors is an integer number (337375225).

Almost surely, 2^674750449 is an apocalyptic number.

It is an amenable number.

674750449 is a deficient number, since it is larger than the sum of its proper divisors (1).

674750449 is an equidigital number, since it uses as much as digits as its factorization.

674750449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 674750449 is about 25975.9590583293. The cubic root of 674750449 is about 877.0972056872.

The spelling of 674750449 in words is "six hundred seventy-four million, seven hundred fifty thousand, four hundred forty-nine".