7275008 has 40 divisors (see below), whose sum is σ = 15668268. Its totient is φ = 3354624.

The previous prime is 7275007. The next prime is 7275011. The reversal of 7275008 is 8005727.

It can be written as a sum of positive squares in 2 ways, for example, as 7139584 + 135424 = 2672^2 + 368^2 .

It is not an unprimeable number, because it can be changed into a prime (7275001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110 + ... + 7202.

Almost surely, 2^7275008 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 7275008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7834134).

7275008 is an abundant number, since it is smaller than the sum of its proper divisors (8393260).

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

7275008 is a wasteful number, since it uses less digits than its factorization.

7275008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 7275008 is about 2697.2222748598. Note that the first 4 decimals coincide. The cubic root of 7275008 is about 193.7661120143.

The spelling of 7275008 in words is "seven million, two hundred seventy-five thousand, eight".