673774808 has 64 divisors (see below), whose sum is σ = 1545696000. Its totient is φ = 268900992.

The previous prime is 673774807. The next prime is 673774819. The reversal of 673774808 is 808477376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673774807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57410 + ... + 68142.

It is an arithmetic number, because the mean of its divisors is an integer number (24151500).

Almost surely, 2^673774808 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 673774808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772848000).

673774808 is an abundant number, since it is smaller than the sum of its proper divisors (871921192).

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

673774808 is a wasteful number, since it uses less digits than its factorization.

673774808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10824 (or 10820 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The square root of 673774808 is about 25957.1725732985. The cubic root of 673774808 is about 876.6742617824.

The spelling of 673774808 in words is "six hundred seventy-three million, seven hundred seventy-four thousand, eight hundred eight".