7288725 has 24 divisors (see below), whose sum is σ = 12147040. Its totient is φ = 3856320.

The previous prime is 7288711. The next prime is 7288727. The reversal of 7288725 is 5278827.

7288725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7288725 - 2⁶ = 7288661 is a prime.

Its product of digits (62720) is a multiple of the sum of its prime divisors (784).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11466 + ... + 12084.

Almost surely, 2^7288725 is an apocalyptic number.

7288725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7288725 is a deficient number, since it is larger than the sum of its proper divisors (4858315).

7288725 is a wasteful number, since it uses less digits than its factorization.

7288725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 784 counting only the distinct ones).

The product of its digits is 62720, while the sum is 39.

The square root of 7288725 is about 2699.7638785642. The cubic root of 7288725 is about 193.8878173112.

It can be divided in two parts, 728 and 8725, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 7288725 in words is "seven million, two hundred eighty-eight thousand, seven hundred twenty-five".