674540 has 24 divisors (see below), whose sum is σ = 1466640. Its totient is φ = 260288.

The previous prime is 674537. The next prime is 674551. The reversal of 674540 is 45476.

674540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (61110).

2⁶⁷⁴⁵⁴⁰ 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 674540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733320).

674540 is an abundant number, since it is smaller than the sum of its proper divisors (792100).

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

674540 is a wasteful number, since it uses less digits than its factorization.

674540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 674540 is about 821.3038414619. The cubic root of 674540 is about 87.7006009787.

The spelling of 674540 in words is "six hundred seventy-four thousand, five hundred forty".