674785608 has 128 divisors (see below), whose sum is σ = 2042496000. Its totient is φ = 181474560.

The previous prime is 674785577. The next prime is 674785637. The reversal of 674785608 is 806587476.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570778 + ... + 571958.

It is an arithmetic number, because the mean of its divisors is an integer number (15957000).

Almost surely, 2^674785608 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 674785608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021248000).

674785608 is an abundant number, since it is smaller than the sum of its proper divisors (1367710392).

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

674785608 is a wasteful number, since it uses less digits than its factorization.

674785608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The square root of 674785608 is about 25976.6358098966. The cubic root of 674785608 is about 877.1124396279.

The spelling of 674785608 in words is "six hundred seventy-four million, seven hundred eighty-five thousand, six hundred eight".