6732391680 has 576 divisors, whose sum is σ = 28927342080. Its totient is φ = 1447428096.

The previous prime is 6732391667. The next prime is 6732391711. The reversal of 6732391680 is 861932376.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4111822 + ... + 4113458.

It is an arithmetic number, because the mean of its divisors is an integer number (50221080).

Almost surely, 2^6732391680 is an apocalyptic number.

6732391680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6732391680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463671040).

6732391680 is an abundant number, since it is smaller than the sum of its proper divisors (22194950400).

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

6732391680 is a wasteful number, since it uses less digits than its factorization.

6732391680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 6732391680 is about 82051.1528255393. The cubic root of 6732391680 is about 1888.2368035830.

The spelling of 6732391680 in words is "six billion, seven hundred thirty-two million, three hundred ninety-one thousand, six hundred eighty".