7725168 has 60 divisors (see below), whose sum is σ = 23590008. Its totient is φ = 2340480.

The previous prime is 7725161. The next prime is 7725181. The reversal of 7725168 is 8615277.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7725161) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 855 + ... + 4022.

Almost surely, 2^7725168 is an apocalyptic number.

It is an amenable number.

7725168 is an abundant number, since it is smaller than the sum of its proper divisors (15864840).

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

7725168 is a wasteful number, since it uses less digits than its factorization.

7725168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902 (or 4893 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 7725168 is about 2779.4186442492. The cubic root of 7725168 is about 197.6829944163.

The spelling of 7725168 in words is "seven million, seven hundred twenty-five thousand, one hundred sixty-eight".