30238774 has 4 divisors (see below), whose sum is σ = 45358164. Its totient is φ = 15119386.

The previous prime is 30238727. The next prime is 30238783. The reversal of 30238774 is 47783203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47783203 = 13 ⋅3675631.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7559692 + ... + 7559695.

It is an arithmetic number, because the mean of its divisors is an integer number (11339541).

Almost surely, 2^30238774 is an apocalyptic number.

30238774 is a deficient number, since it is larger than the sum of its proper divisors (15119390).

30238774 is a wasteful number, since it uses less digits than its factorization.

30238774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15119389.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 30238774 is about 5498.9793598449. The cubic root of 30238774 is about 311.5454357382.

The spelling of 30238774 in words is "thirty million, two hundred thirty-eight thousand, seven hundred seventy-four".