674154 has 48 divisors (see below), whose sum is σ = 1633632. Its totient is φ = 199584.

The previous prime is 674131. The next prime is 674159. The reversal of 674154 is 451476.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (674159) by changing a digit.

674154 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10029 + ... + 10095.

It is an arithmetic number, because the mean of its divisors is an integer number (34034).

2⁶⁷⁴¹⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816816).

674154 is an abundant number, since it is smaller than the sum of its proper divisors (959478).

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

674154 is a wasteful number, since it uses less digits than its factorization.

674154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 128 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 674154 is about 821.0688156300. The cubic root of 674154 is about 87.6838691361.

It can be divided in two parts, 674 and 154, that added together give a palindrome (828).

The spelling of 674154 in words is "six hundred seventy-four thousand, one hundred fifty-four".