6725720 has 16 divisors (see below), whose sum is σ = 15132960. Its totient is φ = 2690272.

The previous prime is 6725717. The next prime is 6725731. The reversal of 6725720 is 275276.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84032 + ... + 84111.

It is an arithmetic number, because the mean of its divisors is an integer number (945810).

Almost surely, 2^6725720 is an apocalyptic number.

It is an amenable number.

6725720 is an abundant number, since it is smaller than the sum of its proper divisors (8407240).

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

6725720 is a wasteful number, since it uses less digits than its factorization.

6725720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168154 (or 168150 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 6725720 is about 2593.3993136422. The cubic root of 6725720 is about 188.7612861108.

The spelling of 6725720 in words is "six million, seven hundred twenty-five thousand, seven hundred twenty".