674573 has 4 divisors (see below), whose sum is σ = 691068. Its totient is φ = 658080.

The previous prime is 674563. The next prime is 674603. The reversal of 674573 is 375476.

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 316969 + 357604 = 563^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 674573 - 2¹⁰ = 673549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674533) 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, 8186 + ... + 8267.

It is an arithmetic number, because the mean of its divisors is an integer number (172767).

2⁶⁷⁴⁵⁷³ is an apocalyptic number.

It is an amenable number.

674573 is a deficient number, since it is larger than the sum of its proper divisors (16495).

674573 is a wasteful number, since it uses less digits than its factorization.

674573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16494.

The product of its digits is 17640, while the sum is 32.

The square root of 674573 is about 821.3239312232. The cubic root of 674573 is about 87.7020311250.

Subtracting from 674573 its sum of digits (32), we obtain a triangular number (674541 = T₁₁₆₁).

The spelling of 674573 in words is "six hundred seventy-four thousand, five hundred seventy-three".