30007 has 4 divisors (see below), whose sum is σ = 30856. Its totient is φ = 29160.

The previous prime is 29989. The next prime is 30011. The reversal of 30007 is 70003.

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

It is a cyclic number.

It is not a de Polignac number, because 30007 - 2⁷ = 29879 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29975 and 30002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369 + ... + 442.

It is an arithmetic number, because the mean of its divisors is an integer number (7714).

2³⁰⁰⁰⁷ is an apocalyptic number.

30007 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

30007 is a deficient number, since it is larger than the sum of its proper divisors (849).

30007 is an equidigital number, since it uses as much as digits as its factorization.

30007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 21, while the sum is 10.

The square root of 30007 is about 173.2252868377. The cubic root of 30007 is about 31.0747416080.

The spelling of 30007 in words is "thirty thousand, seven".