7289425 has 24 divisors (see below), whose sum is σ = 10624320. Its totient is φ = 4891200.

The previous prime is 7289423. The next prime is 7289437. The reversal of 7289425 is 5249827.

It is not a de Polignac number, because 7289425 - 2¹ = 7289423 is a prime.

7289425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7289423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2556 + ... + 4594.

It is an arithmetic number, because the mean of its divisors is an integer number (442680).

Almost surely, 2^7289425 is an apocalyptic number.

It is an amenable number.

7289425 is a deficient number, since it is larger than the sum of its proper divisors (3334895).

7289425 is a wasteful number, since it uses less digits than its factorization.

7289425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2068 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 7289425 is about 2699.8935164187. The cubic root of 7289425 is about 193.8940240267.

It can be divided in two parts, 728 and 9425, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 7289425 in words is "seven million, two hundred eighty-nine thousand, four hundred twenty-five".