7255330 has 16 divisors (see below), whose sum is σ = 13413240. Its totient is φ = 2823552.

The previous prime is 7255301. The next prime is 7255357. The reversal of 7255330 is 335527.

It can be written as a sum of positive squares in 4 ways, for example, as 7123561 + 131769 = 2669^2 + 363^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7255295 and 7255304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9435 + ... + 10174.

Almost surely, 2^7255330 is an apocalyptic number.

7255330 is a deficient number, since it is larger than the sum of its proper divisors (6157910).

7255330 is a wasteful number, since it uses less digits than its factorization.

7255330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19653.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 7255330 is about 2693.5719778762. The cubic root of 7255330 is about 193.5912497753.

The spelling of 7255330 in words is "seven million, two hundred fifty-five thousand, three hundred thirty".