674567808 has 32 divisors (see below), whose sum is σ = 1791821760. Its totient is φ = 224855808.

The previous prime is 674567801. The next prime is 674567813. The reversal of 674567808 is 808765476.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (674567801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877960 + ... + 878727.

It is an arithmetic number, because the mean of its divisors is an integer number (55994430).

Almost surely, 2^674567808 is an apocalyptic number.

It is an amenable number.

674567808 is an abundant number, since it is smaller than the sum of its proper divisors (1117253952).

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

674567808 is a wasteful number, since it uses less digits than its factorization.

674567808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756704 (or 1756692 counting only the distinct ones).

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

The square root of 674567808 is about 25972.4432427910. The cubic root of 674567808 is about 877.0180611843.

The spelling of 674567808 in words is "six hundred seventy-four million, five hundred sixty-seven thousand, eight hundred eight".