30434073 has 4 divisors (see below), whose sum is σ = 40578768. Its totient is φ = 20289380.

The previous prime is 30434069. The next prime is 30434081. The reversal of 30434073 is 37043403.

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: 37043403 = 3 ⋅12347801.

It is a cyclic number.

It is not a de Polignac number, because 30434073 - 2² = 30434069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30434003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072343 + ... + 5072348.

It is an arithmetic number, because the mean of its divisors is an integer number (10144692).

Almost surely, 2^30434073 is an apocalyptic number.

It is an amenable number.

30434073 is a deficient number, since it is larger than the sum of its proper divisors (10144695).

30434073 is a wasteful number, since it uses less digits than its factorization.

30434073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144694.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 30434073 is about 5516.7085295491. The cubic root of 30434073 is about 312.2147088012.

Adding to 30434073 its reverse (37043403), we get a palindrome (67477476).

The spelling of 30434073 in words is "thirty million, four hundred thirty-four thousand, seventy-three".