674115345 has 64 divisors (see below), whose sum is σ = 1267488000. Its totient is φ = 338992128.

The previous prime is 674115329. The next prime is 674115391. The reversal of 674115345 is 543511476.

674115345 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674115345 - 2⁴ = 674115329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 689497 + ... + 690473.

It is an arithmetic number, because the mean of its divisors is an integer number (19804500).

Almost surely, 2^674115345 is an apocalyptic number.

It is an amenable number.

674115345 is a deficient number, since it is larger than the sum of its proper divisors (593372655).

674115345 is a wasteful number, since it uses less digits than its factorization.

674115345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1273 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 674115345 is about 25963.7313381571. The cubic root of 674115345 is about 876.8219321603.

The spelling of 674115345 in words is "six hundred seventy-four million, one hundred fifteen thousand, three hundred forty-five".