30207 has 4 divisors (see below), whose sum is σ = 40280. Its totient is φ = 20136.

The previous prime is 30203. The next prime is 30211. The reversal of 30207 is 70203.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30203) and next prime (30211).

It is not a de Polignac number, because 30207 - 2² = 30203 is a prime.

It is a D-number.

It is a Duffinian number.

30207 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 30192 and 30201.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30207.

It is not an unprimeable number, because it can be changed into a prime (30203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5032 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (10070).

2³⁰²⁰⁷ is an apocalyptic number.

30207 is a deficient number, since it is larger than the sum of its proper divisors (10073).

30207 is a wasteful number, since it uses less digits than its factorization.

30207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10072.

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 30207 is about 173.8016110397. The cubic root of 30207 is about 31.1436276618.

The spelling of 30207 in words is "thirty thousand, two hundred seven".