6725220 has 24 divisors (see below), whose sum is σ = 18830784. Its totient is φ = 1793376.

The previous prime is 6725219. The next prime is 6725239. The reversal of 6725220 is 225276.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55984 + ... + 56103.

It is an arithmetic number, because the mean of its divisors is an integer number (784616).

Almost surely, 2^6725220 is an apocalyptic number.

6725220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6725220 is an abundant number, since it is smaller than the sum of its proper divisors (12105564).

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

6725220 is a wasteful number, since it uses less digits than its factorization.

6725220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112099 (or 112097 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 6725220 is about 2593.3029132749. The cubic root of 6725220 is about 188.7566083969.

The spelling of 6725220 in words is "six million, seven hundred twenty-five thousand, two hundred twenty".