30473 has 4 divisors (see below), whose sum is σ = 31488. Its totient is φ = 29460.

The previous prime is 30469. The next prime is 30491. The reversal of 30473 is 37403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37403 = 113 ⋅331.

It is a cyclic number.

It is not a de Polignac number, because 30473 - 2² = 30469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30403) 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, 461 + ... + 522.

It is an arithmetic number, because the mean of its divisors is an integer number (7872).

2³⁰⁴⁷³ is an apocalyptic number.

It is an amenable number.

30473 is a deficient number, since it is larger than the sum of its proper divisors (1015).

30473 is an equidigital number, since it uses as much as digits as its factorization.

30473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 30473 is about 174.5651740755. The cubic root of 30473 is about 31.2347765851.

Adding to 30473 its reverse (37403), we get a palindrome (67876).

The spelling of 30473 in words is "thirty thousand, four hundred seventy-three".