6495720 has 256 divisors, whose sum is σ = 26265600. Its totient is φ = 1244160.

The previous prime is 6495679. The next prime is 6495721. The reversal of 6495720 is 275946.

6495720 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (6495721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175542 + ... + 175578.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

Almost surely, 2^6495720 is an apocalyptic number.

6495720 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 6495720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13132800).

6495720 is an abundant number, since it is smaller than the sum of its proper divisors (19769880).

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

6495720 is a wasteful number, since it uses less digits than its factorization.

6495720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 6495720 is about 2548.6702415181. The cubic root of 6495720 is about 186.5845869296.

The spelling of 6495720 in words is "six million, four hundred ninety-five thousand, seven hundred twenty".