674225856 has 112 divisors (see below), whose sum is σ = 2006986080. Its totient is φ = 224695296.

The previous prime is 674225837. The next prime is 674225873. The reversal of 674225856 is 658522476.

674225856 is a `hidden beast` number, since 67 + 4 + 2 + 2 + 585 + 6 = 666.

674225856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137560 + ... + 142376.

Almost surely, 2^674225856 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 674225856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003493040).

674225856 is an abundant number, since it is smaller than the sum of its proper divisors (1332760224).

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

674225856 is an frugal number, since it uses more digits than its factorization.

674225856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850 (or 4822 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 674225856 is about 25965.8594311839. The cubic root of 674225856 is about 876.8698434338.

The spelling of 674225856 in words is "six hundred seventy-four million, two hundred twenty-five thousand, eight hundred fifty-six".