6925520 has 80 divisors (see below), whose sum is σ = 18748800. Its totient is φ = 2330112.

The previous prime is 6925517. The next prime is 6925531. The reversal of 6925520 is 255296.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46406 + ... + 46554.

It is an arithmetic number, because the mean of its divisors is an integer number (234360).

Almost surely, 2^6925520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6925520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9374400).

6925520 is an abundant number, since it is smaller than the sum of its proper divisors (11823280).

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

6925520 is a wasteful number, since it uses less digits than its factorization.

6925520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 6925520 is about 2631.6382730155. The cubic root of 6925520 is about 190.6122447794.

The spelling of 6925520 in words is "six million, nine hundred twenty-five thousand, five hundred twenty".