6328720 has 40 divisors (see below), whose sum is σ = 14820480. Its totient is φ = 2513280.

The previous prime is 6328711. The next prime is 6328723. The reversal of 6328720 is 278236.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6328723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18955 + ... + 19285.

It is an arithmetic number, because the mean of its divisors is an integer number (370512).

Almost surely, 2^6328720 is an apocalyptic number.

It is an amenable number.

6328720 is an abundant number, since it is smaller than the sum of its proper divisors (8491760).

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

6328720 is a wasteful number, since it uses less digits than its factorization.

6328720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6328720 is about 2515.6947350583. The cubic root of 6328720 is about 184.9717025138.

The spelling of 6328720 in words is "six million, three hundred twenty-eight thousand, seven hundred twenty".