6479580 has 48 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 1704768.

The previous prime is 6479569. The next prime is 6479587. The reversal of 6479580 is 859746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6479587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4057 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^6479580 is an apocalyptic number.

6479580 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 6479580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9192960).

6479580 is an abundant number, since it is smaller than the sum of its proper divisors (11906340).

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

6479580 is a wasteful number, since it uses less digits than its factorization.

6479580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 6479580 is about 2545.5019151437. The cubic root of 6479580 is about 186.4299223762.

The spelling of 6479580 in words is "six million, four hundred seventy-nine thousand, five hundred eighty".