30472043 has 4 divisors (see below), whose sum is σ = 34825200. Its totient is φ = 26118888.

The previous prime is 30472031. The next prime is 30472063. The reversal of 30472043 is 34027403.

It is a happy number.

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 30472043 - 2¹⁶ = 30406507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30472063) 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, 2176568 + ... + 2176581.

It is an arithmetic number, because the mean of its divisors is an integer number (8706300).

Almost surely, 2^30472043 is an apocalyptic number.

30472043 is a deficient number, since it is larger than the sum of its proper divisors (4353157).

30472043 is an equidigital number, since it uses as much as digits as its factorization.

30472043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353156.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 30472043 is about 5520.1488204577. The cubic root of 30472043 is about 312.3444960721.

Adding to 30472043 its reverse (34027403), we get a palindrome (64499446).

The spelling of 30472043 in words is "thirty million, four hundred seventy-two thousand, forty-three".