6537480 has 64 divisors (see below), whose sum is σ = 19794240. Its totient is φ = 1727232.

The previous prime is 6537457. The next prime is 6537511. The reversal of 6537480 is 847356.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18667 + ... + 19013.

It is an arithmetic number, because the mean of its divisors is an integer number (309285).

Almost surely, 2^6537480 is an apocalyptic number.

6537480 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 6537480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9897120).

6537480 is an abundant number, since it is smaller than the sum of its proper divisors (13256760).

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

6537480 is a wasteful number, since it uses less digits than its factorization.

6537480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 6537480 is about 2556.8496240491. The cubic root of 6537480 is about 186.9835744864.

The spelling of 6537480 in words is "six million, five hundred thirty-seven thousand, four hundred eighty".