674973 has 20 divisors (see below), whose sum is σ = 1087548. Its totient is φ = 414720.

The previous prime is 674957. The next prime is 674977. The reversal of 674973 is 379476.

674973 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 2 ways, for example, as 363609 + 311364 = 603^2 + 558^2 .

It is not a de Polignac number, because 674973 - 2⁴ = 674957 is a prime.

It is a Curzon number.

674973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674977) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 733 + ... + 1373.

2⁶⁷⁴⁹⁷³ is an apocalyptic number.

It is an amenable number.

674973 is a deficient number, since it is larger than the sum of its proper divisors (412575).

674973 is a wasteful number, since it uses less digits than its factorization.

674973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 657 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 674973 is about 821.5674044167. The cubic root of 674973 is about 87.7193625237.

The spelling of 674973 in words is "six hundred seventy-four thousand, nine hundred seventy-three".