674528 has 24 divisors (see below), whose sum is σ = 1347192. Its totient is φ = 332416.

The previous prime is 674501. The next prime is 674533. The reversal of 674528 is 825476.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 674494 and 674503.

It is a congruent number.

It is an unprimeable number.

674528 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 3 ways as a sum of consecutive naturals, for example, 3326 + ... + 3522.

It is an arithmetic number, because the mean of its divisors is an integer number (56133).

2⁶⁷⁴⁵²⁸ is an apocalyptic number.

It is an amenable number.

674528 is a deficient number, since it is larger than the sum of its proper divisors (672664).

674528 is a wasteful number, since it uses less digits than its factorization.

674528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 306 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 674528 is about 821.2965359722. The cubic root of 674528 is about 87.7000809140.

The spelling of 674528 in words is "six hundred seventy-four thousand, five hundred twenty-eight".