6720580 has 12 divisors (see below), whose sum is σ = 14113260. Its totient is φ = 2688224.

The previous prime is 6720533. The next prime is 6720589. The reversal of 6720580 is 850276.

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 4186116 = 1592^2 + 2046^2 .

It is not an unprimeable number, because it can be changed into a prime (6720589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167995 + ... + 168034.

It is an arithmetic number, because the mean of its divisors is an integer number (1176105).

Almost surely, 2^6720580 is an apocalyptic number.

It is an amenable number.

6720580 is an abundant number, since it is smaller than the sum of its proper divisors (7392680).

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

6720580 is a wasteful number, since it uses less digits than its factorization.

6720580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336038 (or 336036 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 6720580 is about 2592.4081468781. The cubic root of 6720580 is about 188.7131881488.

The spelling of 6720580 in words is "six million, seven hundred twenty thousand, five hundred eighty".