674459328 has 56 divisors (see below), whose sum is σ = 1806049728. Its totient is φ = 222105856.

The previous prime is 674459323. The next prime is 674459329. The reversal of 674459328 is 823954476.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (674459323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5226 + ... + 37097.

It is an arithmetic number, because the mean of its divisors is an integer number (32250888).

Almost surely, 2^674459328 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 674459328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903024864).

674459328 is an abundant number, since it is smaller than the sum of its proper divisors (1131590400).

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

674459328 is a wasteful number, since it uses less digits than its factorization.

674459328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42421 (or 42411 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 674459328 is about 25970.3547915696. The cubic root of 674459328 is about 876.9710463804.

The spelling of 674459328 in words is "six hundred seventy-four million, four hundred fifty-nine thousand, three hundred twenty-eight".