6732720768 has 64 divisors (see below), whose sum is σ = 18051037920. Its totient is φ = 2223252480.

The previous prime is 6732720767. The next prime is 6732720769. The reversal of 6732720768 is 8670272376.

It is an interprime number because it is at equal distance from previous prime (6732720767) and next prime (6732720769).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6732720767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40843 + ... + 123018.

Almost surely, 2^6732720768 is an apocalyptic number.

It is an amenable number.

6732720768 is an abundant number, since it is smaller than the sum of its proper divisors (11318317152).

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

6732720768 is a wasteful number, since it uses less digits than its factorization.

6732720768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163985 (or 163973 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The square root of 6732720768 is about 82053.1581841918. The cubic root of 6732720768 is about 1888.2675695662.

The spelling of 6732720768 in words is "six billion, seven hundred thirty-two million, seven hundred twenty thousand, seven hundred sixty-eight".