7925688 has 72 divisors (see below), whose sum is σ = 22437480. Its totient is φ = 2624400.

The previous prime is 7925681. The next prime is 7925693. The reversal of 7925688 is 8865297.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7925681) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52413 + ... + 52563.

Almost surely, 2^7925688 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 7925688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11218740).

7925688 is an abundant number, since it is smaller than the sum of its proper divisors (14511792).

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

7925688 is an equidigital number, since it uses as much as digits as its factorization.

7925688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 156 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 7925688 is about 2815.2598459112. The cubic root of 7925688 is about 199.3788059205.

The spelling of 7925688 in words is "seven million, nine hundred twenty-five thousand, six hundred eighty-eight".