674000 has 40 divisors (see below), whose sum is σ = 1634568. Its totient is φ = 268800.

The previous prime is 673991. The next prime is 674017. The reversal of 674000 is 476.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 602176 = 268^2 + 776^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 674000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832 + ... + 2168.

2⁶⁷⁴⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817284).

674000 is an abundant number, since it is smaller than the sum of its proper divisors (960568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674000 is a wasteful number, since it uses less digits than its factorization.

674000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 674000 is about 820.9750300710. The cubic root of 674000 is about 87.6771919555.

Adding to 674000 its reverse (476), we get a palindrome (674476).

The spelling of 674000 in words is "six hundred seventy-four thousand".