6725816 has 8 divisors (see below), whose sum is σ = 12610920. Its totient is φ = 3362904.

The previous prime is 6725743. The next prime is 6725827. The reversal of 6725816 is 6185276.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420356 + ... + 420371.

It is an arithmetic number, because the mean of its divisors is an integer number (1576365).

Almost surely, 2^6725816 is an apocalyptic number.

It is an amenable number.

6725816 is a deficient number, since it is larger than the sum of its proper divisors (5885104).

6725816 is a wasteful number, since it uses less digits than its factorization.

6725816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840733 (or 840729 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 6725816 is about 2593.4178221027. The cubic root of 6725816 is about 188.7621842054.

The spelling of 6725816 in words is "six million, seven hundred twenty-five thousand, eight hundred sixteen".