30479 has 4 divisors (see below), whose sum is σ = 31560. Its totient is φ = 29400.

The previous prime is 30469. The next prime is 30491. The reversal of 30479 is 97403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97403 = 257 ⋅379.

It is a cyclic number.

It is not a de Polignac number, because 30479 - 2⁸ = 30223 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30449) 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, 497 + ... + 554.

It is an arithmetic number, because the mean of its divisors is an integer number (7890).

2³⁰⁴⁷⁹ is an apocalyptic number.

30479 is a deficient number, since it is larger than the sum of its proper divisors (1081).

30479 is a wasteful number, since it uses less digits than its factorization.

30479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30479 is about 174.5823587881. The cubic root of 30479 is about 31.2368264474.

It can be divided in two parts, 304 and 79, that added together give a palindrome (383).

The spelling of 30479 in words is "thirty thousand, four hundred seventy-nine".