30275493 has 16 divisors (see below), whose sum is σ = 42813120. Its totient is φ = 18976896.

The previous prime is 30275477. The next prime is 30275501. The reversal of 30275493 is 39457203.

It is a happy number.

It is not a de Polignac number, because 30275493 - 2⁴ = 30275477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30275423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5871 + ... + 9747.

It is an arithmetic number, because the mean of its divisors is an integer number (2675820).

Almost surely, 2^30275493 is an apocalyptic number.

It is an amenable number.

30275493 is a deficient number, since it is larger than the sum of its proper divisors (12537627).

30275493 is a wasteful number, since it uses less digits than its factorization.

30275493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 30275493 is about 5502.3170573859. The cubic root of 30275493 is about 311.6714881324.

The spelling of 30275493 in words is "thirty million, two hundred seventy-five thousand, four hundred ninety-three".