6673813236 has 72 divisors (see below), whose sum is σ = 17520170304. Its totient is φ = 2221369920.

The previous prime is 6673813217. The next prime is 6673813273. The reversal of 6673813236 is 6323183766.

It is a junction number, because it is equal to n+sod(n) for n = 6673813191 and 6673813200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717576 + ... + 726816.

Almost surely, 2^6673813236 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 6673813236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8760085152).

6673813236 is an abundant number, since it is smaller than the sum of its proper divisors (10846357068).

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

6673813236 is a wasteful number, since it uses less digits than its factorization.

6673813236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003 (or 9989 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 6673813236 is about 81693.4099912594. The cubic root of 6673813236 is about 1882.7443355178.

The spelling of 6673813236 in words is "six billion, six hundred seventy-three million, eight hundred thirteen thousand, two hundred thirty-six".