673768992 has 96 divisors (see below), whose sum is σ = 1987590528. Its totient is φ = 198291456.

The previous prime is 673768987. The next prime is 673768993. The reversal of 673768992 is 299867376.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (673768993) 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, 16968 + ... + 40440.

It is an arithmetic number, because the mean of its divisors is an integer number (20704068).

Almost surely, 2^673768992 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 673768992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993795264).

673768992 is an abundant number, since it is smaller than the sum of its proper divisors (1313821536).

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

673768992 is a wasteful number, since it uses less digits than its factorization.

673768992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23522 (or 23514 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 57.

The square root of 673768992 is about 25957.0605423650. The cubic root of 673768992 is about 876.6717393015.

The spelling of 673768992 in words is "six hundred seventy-three million, seven hundred sixty-eight thousand, nine hundred ninety-two".