6473726376 has 128 divisors (see below), whose sum is σ = 18089568000. Its totient is φ = 1916909568.

The previous prime is 6473726353. The next prime is 6473726377. The reversal of 6473726376 is 6736273746.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6473726377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3247236 + ... + 3249228.

It is an arithmetic number, because the mean of its divisors is an integer number (141324750).

Almost surely, 2^6473726376 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 6473726376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9044784000).

6473726376 is an abundant number, since it is smaller than the sum of its proper divisors (11615841624).

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

6473726376 is a wasteful number, since it uses less digits than its factorization.

6473726376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403 (or 2399 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 51.

The square root of 6473726376 is about 80459.4703934844. The cubic root of 6473726376 is about 1863.7376547225.

The spelling of 6473726376 in words is "six billion, four hundred seventy-three million, seven hundred twenty-six thousand, three hundred seventy-six".