6728737372 has 48 divisors (see below), whose sum is σ = 13786391808. Its totient is φ = 2814071040.

The previous prime is 6728737369. The next prime is 6728737397. The reversal of 6728737372 is 2737378276.

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, 183972 + ... + 217492.

It is an arithmetic number, because the mean of its divisors is an integer number (287216496).

Almost surely, 2^6728737372 is an apocalyptic number.

It is an amenable number.

6728737372 is an abundant number, since it is smaller than the sum of its proper divisors (7057654436).

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

6728737372 is a wasteful number, since it uses less digits than its factorization.

6728737372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33706 (or 33704 counting only the distinct ones).

The product of its digits is 4148928, while the sum is 52.

The square root of 6728737372 is about 82028.8813284687. The cubic root of 6728737372 is about 1887.8950999693.

The spelling of 6728737372 in words is "six billion, seven hundred twenty-eight million, seven hundred thirty-seven thousand, three hundred seventy-two".