674493 has 4 divisors (see below), whose sum is σ = 899328. Its totient is φ = 449660.

The previous prime is 674483. The next prime is 674501. The reversal of 674493 is 394476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674493 - 2⁵ = 674461 is a prime.

It is a D-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 (674483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112413 + ... + 112418.

It is an arithmetic number, because the mean of its divisors is an integer number (224832).

2⁶⁷⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

674493 is a deficient number, since it is larger than the sum of its proper divisors (224835).

674493 is a wasteful number, since it uses less digits than its factorization.

674493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224834.

The product of its digits is 18144, while the sum is 33.

The square root of 674493 is about 821.2752279230. The cubic root of 674493 is about 87.6985640232.

It can be divided in two parts, 67 and 4493, that added together give a triangular number (4560 = T₉₅).

The spelling of 674493 in words is "six hundred seventy-four thousand, four hundred ninety-three".