674045849 has 4 divisors (see below), whose sum is σ = 675008100. Its totient is φ = 673083600.

The previous prime is 674045837. The next prime is 674045893. The reversal of 674045849 is 948540476.

674045849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 551545225 + 122500624 = 23485^2 + 11068^2 .

It is a cyclic number.

It is not a de Polignac number, because 674045849 - 2⁴ = 674045833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674045899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480074 + ... + 481475.

It is an arithmetic number, because the mean of its divisors is an integer number (168752025).

Almost surely, 2^674045849 is an apocalyptic number.

It is an amenable number.

674045849 is a deficient number, since it is larger than the sum of its proper divisors (962251).

674045849 is an equidigital number, since it uses as much as digits as its factorization.

674045849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962250.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 674045849 is about 25962.3929752248. The cubic root of 674045849 is about 876.7917999722.

The spelling of 674045849 in words is "six hundred seventy-four million, forty-five thousand, eight hundred forty-nine".