7216580 has 48 divisors (see below), whose sum is σ = 18238080. Its totient is φ = 2343168.

The previous prime is 7216577. The next prime is 7216589. The reversal of 7216580 is 856127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216589) 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, 1304 + ... + 4016.

It is an arithmetic number, because the mean of its divisors is an integer number (379960).

Almost surely, 2^7216580 is an apocalyptic number.

7216580 is a gapful number since it is divisible by the number (70) 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 7216580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9119040).

7216580 is an abundant number, since it is smaller than the sum of its proper divisors (11021500).

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

7216580 is a wasteful number, since it uses less digits than its factorization.

7216580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 7216580 is about 2686.3692970253. The cubic root of 7216580 is about 193.2459837935.

The spelling of 7216580 in words is "seven million, two hundred sixteen thousand, five hundred eighty".