7425544 has 32 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 3147264.

The previous prime is 7425533. The next prime is 7425547. The reversal of 7425544 is 4455247.

It is not an unprimeable number, because it can be changed into a prime (7425547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4749 + ... + 6115.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^7425544 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 7425544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8043840).

7425544 is an abundant number, since it is smaller than the sum of its proper divisors (8662136).

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

7425544 is a wasteful number, since it uses less digits than its factorization.

7425544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1473 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 7425544 is about 2724.9851375741. The cubic root of 7425544 is about 195.0934813676.

The spelling of 7425544 in words is "seven million, four hundred twenty-five thousand, five hundred forty-four".