7258128 has 40 divisors (see below), whose sum is σ = 18972000. Its totient is φ = 2390784.

The previous prime is 7258109. The next prime is 7258129. The reversal of 7258128 is 8218527.

It is not an unprimeable number, because it can be changed into a prime (7258129) 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, 3423 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (474300).

Almost surely, 2^7258128 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 7258128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9486000).

7258128 is an abundant number, since it is smaller than the sum of its proper divisors (11713872).

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

7258128 is a wasteful number, since it uses less digits than its factorization.

7258128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1793 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 7258128 is about 2694.0913124837. The cubic root of 7258128 is about 193.6161325718.

The spelling of 7258128 in words is "seven million, two hundred fifty-eight thousand, one hundred twenty-eight".