674850 has 48 divisors (see below), whose sum is σ = 1830240. Its totient is φ = 163200.

The previous prime is 674837. The next prime is 674851. The reversal of 674850 is 58476.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (674851) by changing a digit.

674850 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 23 ways as a sum of consecutive naturals, for example, 1446 + ... + 1854.

It is an arithmetic number, because the mean of its divisors is an integer number (38130).

2⁶⁷⁴⁸⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915120).

674850 is an abundant number, since it is smaller than the sum of its proper divisors (1155390).

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

674850 is a wasteful number, since it uses less digits than its factorization.

674850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 674850 is about 821.4925440928. The cubic root of 674850 is about 87.7140338478.

The spelling of 674850 in words is "six hundred seventy-four thousand, eight hundred fifty".