6733947648 has 72 divisors (see below), whose sum is σ = 18260384688. Its totient is φ = 2202284032.

The previous prime is 6733947599. The next prime is 6733947653. The reversal of 6733947648 is 8467493376.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42015 + ... + 123422.

It is an arithmetic number, because the mean of its divisors is an integer number (253616454).

Almost surely, 2^6733947648 is an apocalyptic number.

It is an amenable number.

6733947648 is an abundant number, since it is smaller than the sum of its proper divisors (11526437040).

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

6733947648 is a wasteful number, since it uses less digits than its factorization.

6733947648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165509 (or 165495 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 57.

The square root of 6733947648 is about 82060.6339726912. The cubic root of 6733947648 is about 1888.3822600502.

The spelling of 6733947648 in words is "six billion, seven hundred thirty-three million, nine hundred forty-seven thousand, six hundred forty-eight".