674140329 has 6 divisors (see below), whose sum is σ = 973758266. Its totient is φ = 449426880.

The previous prime is 674140303. The next prime is 674140343. The reversal of 674140329 is 923041476.

It can be written as a sum of positive squares in only one way, i.e., 459459225 + 214681104 = 21435^2 + 14652^2 .

It is not a de Polignac number, because 674140329 - 2⁸ = 674140073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674140293 and 674140302.

It is not an unprimeable number, because it can be changed into a prime (674150329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37452232 + ... + 37452249.

Almost surely, 2^674140329 is an apocalyptic number.

It is an amenable number.

674140329 is a deficient number, since it is larger than the sum of its proper divisors (299617937).

674140329 is a wasteful number, since it uses less digits than its factorization.

674140329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74904487 (or 74904484 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 674140329 is about 25964.2124663930. The cubic root of 674140329 is about 876.8327642573.

The spelling of 674140329 in words is "six hundred seventy-four million, one hundred forty thousand, three hundred twenty-nine".