674432 has 32 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 305920.

The previous prime is 674431. The next prime is 674449. The reversal of 674432 is 234476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

Its product of digits (4032) is a multiple of the sum of its prime factors (504).

It is not an unprimeable number, because it can be changed into a prime (674431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2⁶⁷⁴⁴³² 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 674432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734400).

674432 is an abundant number, since it is smaller than the sum of its proper divisors (794368).

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

674432 is a wasteful number, since it uses less digits than its factorization.

674432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 492 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 674432 is about 821.2380897158. The cubic root of 674432 is about 87.6959201738.

It can be divided in two parts, 6744 and 32, that added together give a palindrome (6776).

The spelling of 674432 in words is "six hundred seventy-four thousand, four hundred thirty-two".