674028 has 36 divisors (see below), whose sum is σ = 1769880. Its totient is φ = 221832.

The previous prime is 674017. The next prime is 674057. The reversal of 674028 is 820476.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 673992 and 674010.

It is an unprimeable number.

674028 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 11 ways as a sum of consecutive naturals, for example, 8493 + ... + 8571.

2⁶⁷⁴⁰²⁸ 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 674028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884940).

674028 is an abundant number, since it is smaller than the sum of its proper divisors (1095852).

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

674028 is a wasteful number, since it uses less digits than its factorization.

674028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 674028 is about 820.9920827876. The cubic root of 674028 is about 87.6784060640.

Multiplying 674028 by its sum of digits (27), we get a square (18198756 = 4266²).

674028 divided by its sum of digits (27) gives a square (24964 = 158²).

It can be divided in two parts, 67 and 4028, that added together give a triangular number (4095 = T₉₀).

The spelling of 674028 in words is "six hundred seventy-four thousand, twenty-eight".