9073947 has 4 divisors (see below), whose sum is σ = 12098600. Its totient is φ = 6049296.

The previous prime is 9073931. The next prime is 9073957. The reversal of 9073947 is 7493709.

9073947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7493709 = 3 ⋅2497903.

It is not a de Polignac number, because 9073947 - 2⁴ = 9073931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9073927) 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, 1512322 + ... + 1512327.

It is an arithmetic number, because the mean of its divisors is an integer number (3024650).

Almost surely, 2^9073947 is an apocalyptic number.

9073947 is a deficient number, since it is larger than the sum of its proper divisors (3024653).

9073947 is a wasteful number, since it uses less digits than its factorization.

9073947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024652.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 9073947 is about 3012.2992879194. The cubic root of 9073947 is about 208.5765178726.

The spelling of 9073947 in words is "nine million, seventy-three thousand, nine hundred forty-seven".