674370049 has 2 divisors, whose sum is σ = 674370050. Its totient is φ = 674370048.

The previous prime is 674370023. The next prime is 674370071. The reversal of 674370049 is 940073476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 567392400 + 106977649 = 23820^2 + 10343^2 .

It is a cyclic number.

It is not a de Polignac number, because 674370049 - 2⁵ = 674370017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674369993 and 674370020.

It is not a weakly prime, because it can be changed into another prime (674340049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337185024 + 337185025.

It is an arithmetic number, because the mean of its divisors is an integer number (337185025).

Almost surely, 2^674370049 is an apocalyptic number.

It is an amenable number.

674370049 is a deficient number, since it is larger than the sum of its proper divisors (1).

674370049 is an equidigital number, since it uses as much as digits as its factorization.

674370049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 674370049 is about 25968.6358709887. The cubic root of 674370049 is about 876.9323494322.

The spelling of 674370049 in words is "six hundred seventy-four million, three hundred seventy thousand, forty-nine".