6720727792 has 40 divisors (see below), whose sum is σ = 13197436560. Its totient is φ = 3315056640.

The previous prime is 6720727787. The next prime is 6720727837. The reversal of 6720727792 is 2977270276.

It is a super-2 number, since 2×6720727792² = 90336364108322390528, 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 7 ways as a sum of consecutive naturals, for example, 1017942 + ... + 1024522.

It is an arithmetic number, because the mean of its divisors is an integer number (329935914).

Almost surely, 2^6720727792 is an apocalyptic number.

It is an amenable number.

6720727792 is a deficient number, since it is larger than the sum of its proper divisors (6476708768).

6720727792 is a wasteful number, since it uses less digits than its factorization.

6720727792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441 (or 7435 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 49.

The square root of 6720727792 is about 81980.0450841545. The cubic root of 6720727792 is about 1887.1457146662.

The spelling of 6720727792 in words is "six billion, seven hundred twenty million, seven hundred twenty-seven thousand, seven hundred ninety-two".