30468805 has 4 divisors (see below), whose sum is σ = 36562572. Its totient is φ = 24375040.

The previous prime is 30468803. The next prime is 30468827. The reversal of 30468805 is 50886403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50886403 = 167 ⋅304709.

It can be written as a sum of positive squares in 2 ways, for example, as 3157729 + 27311076 = 1777^2 + 5226^2 .

It is not a de Polignac number, because 30468805 - 2¹ = 30468803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30468803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3046876 + ... + 3046885.

It is an arithmetic number, because the mean of its divisors is an integer number (9140643).

Almost surely, 2^30468805 is an apocalyptic number.

It is an amenable number.

30468805 is a deficient number, since it is larger than the sum of its proper divisors (6093767).

30468805 is an equidigital number, since it uses as much as digits as its factorization.

30468805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093766.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 30468805 is about 5519.8555234716. The cubic root of 30468805 is about 312.3334322991. Note that the first 3 decimals are identical.

The spelling of 30468805 in words is "thirty million, four hundred sixty-eight thousand, eight hundred five".