674645373 has 6 divisors (see below), whose sum is σ = 974487774. Its totient is φ = 449763576.

The previous prime is 674645371. The next prime is 674645401. The reversal of 674645373 is 373546476.

674645373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 653466969 + 21178404 = 25563^2 + 4602^2 .

It is not a de Polignac number, because 674645373 - 2¹ = 674645371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674645371) 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, 37480290 + ... + 37480307.

It is an arithmetic number, because the mean of its divisors is an integer number (162414629).

Almost surely, 2^674645373 is an apocalyptic number.

It is an amenable number.

674645373 is a deficient number, since it is larger than the sum of its proper divisors (299842401).

674645373 is a wasteful number, since it uses less digits than its factorization.

674645373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74960603 (or 74960600 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 45.

The square root of 674645373 is about 25973.9364171086. The cubic root of 674645373 is about 877.0516744588.

The spelling of 674645373 in words is "six hundred seventy-four million, six hundred forty-five thousand, three hundred seventy-three".