673707784104 has 128 divisors (see below), whose sum is σ = 1883376835200. Its totient is φ = 223134912000.

The previous prime is 673707784091. The next prime is 673707784171. The reversal of 673707784104 is 401487707376.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74843604 + ... + 74852604.

It is an arithmetic number, because the mean of its divisors is an integer number (14713881525).

Almost surely, 2^673707784104 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 673707784104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941688417600).

673707784104 is an abundant number, since it is smaller than the sum of its proper divisors (1209669051096).

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

673707784104 is a wasteful number, since it uses less digits than its factorization.

673707784104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11192 (or 11182 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 54.

The spelling of 673707784104 in words is "six hundred seventy-three billion, seven hundred seven million, seven hundred eighty-four thousand, one hundred four".