674327808 has 432 divisors, whose sum is σ = 2544534720. Its totient is φ = 174182400.

The previous prime is 674327761. The next prime is 674327809. The reversal of 674327808 is 808723476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674327809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3725478 + ... + 3725658.

Almost surely, 2^674327808 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 674327808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272267360).

674327808 is an abundant number, since it is smaller than the sum of its proper divisors (1870206912).

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

674327808 is a wasteful number, since it uses less digits than its factorization.

674327808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 674327808 is about 25967.8225502255. The cubic root of 674327808 is about 876.9140393699.

The spelling of 674327808 in words is "six hundred seventy-four million, three hundred twenty-seven thousand, eight hundred eight".