6749612800 has 162 divisors, whose sum is σ = 19434815988. Its totient is φ = 2314045440.

The previous prime is 6749612797. The next prime is 6749612809. The reversal of 6749612800 is 82169476.

It is not an unprimeable number, because it can be changed into a prime (6749612809) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 302839 + ... + 324361.

Almost surely, 2^6749612800 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 6749612800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9717407994).

6749612800 is an abundant number, since it is smaller than the sum of its proper divisors (12685203188).

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

6749612800 is a wasteful number, since it uses less digits than its factorization.

6749612800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21563 (or 21537 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 6749612800 is about 82156.0271678226. The cubic root of 6749612800 is about 1889.8454377491.

The spelling of 6749612800 in words is "six billion, seven hundred forty-nine million, six hundred twelve thousand, eight hundred".