30675 has 12 divisors (see below), whose sum is σ = 50840. Its totient is φ = 16320.

The previous prime is 30671. The next prime is 30677. The reversal of 30675 is 57603.

It is not a de Polignac number, because 30675 - 2² = 30671 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130 + ... + 279.

2³⁰⁶⁷⁵ is an apocalyptic number.

30675 is a deficient number, since it is larger than the sum of its proper divisors (20165).

30675 is a wasteful number, since it uses less digits than its factorization.

30675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 30675 is about 175.1427988814. The cubic root of 30675 is about 31.3036412045.

The spelling of 30675 in words is "thirty thousand, six hundred seventy-five".