30744093 has 4 divisors (see below), whose sum is σ = 40992128. Its totient is φ = 20496060.

The previous prime is 30744083. The next prime is 30744127. The reversal of 30744093 is 39044703.

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: 39044703 = 3 ⋅13014901.

It is not a de Polignac number, because 30744093 - 2⁶ = 30744029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30744093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30744013) 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, 5124013 + ... + 5124018.

It is an arithmetic number, because the mean of its divisors is an integer number (10248032).

Almost surely, 2^30744093 is an apocalyptic number.

It is an amenable number.

30744093 is a deficient number, since it is larger than the sum of its proper divisors (10248035).

30744093 is a wasteful number, since it uses less digits than its factorization.

30744093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10248034.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30744093 is about 5544.7356113705. The cubic root of 30744093 is about 313.2712656849.

Adding to 30744093 its reverse (39044703), we get a palindrome (69788796).

The spelling of 30744093 in words is "thirty million, seven hundred forty-four thousand, ninety-three".