7275330 has 48 divisors (see below), whose sum is σ = 19052280. Its totient is φ = 1926144.

The previous prime is 7275313. The next prime is 7275353. The reversal of 7275330 is 335727.

It can be written as a sum of positive squares in 4 ways, for example, as 6827769 + 447561 = 2613^2 + 669^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7275294 and 7275303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20434 + ... + 20786.

Almost surely, 2^7275330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7275330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9526140).

7275330 is an abundant number, since it is smaller than the sum of its proper divisors (11776950).

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

7275330 is a wasteful number, since it uses less digits than its factorization.

7275330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 7275330 is about 2697.2819652383. The cubic root of 7275330 is about 193.7689707404.

The spelling of 7275330 in words is "seven million, two hundred seventy-five thousand, three hundred thirty".