673768508 has 48 divisors (see below), whose sum is σ = 1395007488. Its totient is φ = 278640000.

The previous prime is 673768471. The next prime is 673768517. The reversal of 673768508 is 805867376.

It is a congruent number.

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, 373208 + ... + 375008.

It is an arithmetic number, because the mean of its divisors is an integer number (29062656).

Almost surely, 2^673768508 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 673768508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697503744).

673768508 is an abundant number, since it is smaller than the sum of its proper divisors (721238980).

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

673768508 is a wasteful number, since it uses less digits than its factorization.

673768508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 673768508 is about 25957.0512192737. The cubic root of 673768508 is about 876.6715293833.

The spelling of 673768508 in words is "six hundred seventy-three million, seven hundred sixty-eight thousand, five hundred eight".