6487743472 has 80 divisors (see below), whose sum is σ = 14836550400. Its totient is φ = 2746769088.

The previous prime is 6487743433. The next prime is 6487743487. The reversal of 6487743472 is 2743477846.

It is a super-2 number, since 2×6487743472² = 84181630716957229568, which contains 22 as substring.

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, 448383 + ... + 462625.

It is an arithmetic number, because the mean of its divisors is an integer number (185456880).

Almost surely, 2^6487743472 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 6487743472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7418275200).

6487743472 is an abundant number, since it is smaller than the sum of its proper divisors (8348806928).

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

6487743472 is a wasteful number, since it uses less digits than its factorization.

6487743472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14355 (or 14335 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 52.

The square root of 6487743472 is about 80546.5298569715. The cubic root of 6487743472 is about 1865.0818242580.

The spelling of 6487743472 in words is "six billion, four hundred eighty-seven million, seven hundred forty-three thousand, four hundred seventy-two".