674478 has 48 divisors (see below), whose sum is σ = 1718496. Its totient is φ = 187200.

The previous prime is 674461. The next prime is 674483. The reversal of 674478 is 874476.

It is a happy number.

674478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6628 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (35802).

2⁶⁷⁴⁴⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (859248).

674478 is an abundant number, since it is smaller than the sum of its proper divisors (1044018).

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

674478 is a wasteful number, since it uses less digits than its factorization.

674478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 166 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 674478 is about 821.2660957327. The cubic root of 674478 is about 87.6979139111.

The spelling of 674478 in words is "six hundred seventy-four thousand, four hundred seventy-eight".