9409072 has 20 divisors (see below), whose sum is σ = 18280576. Its totient is φ = 4691520.

The previous prime is 9409069. The next prime is 9409073. The reversal of 9409072 is 2709049.

It is not an unprimeable number, because it can be changed into a prime (9409073) 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, 8113 + ... + 9199.

Almost surely, 2^9409072 is an apocalyptic number.

It is an amenable number.

9409072 is a deficient number, since it is larger than the sum of its proper divisors (8871504).

9409072 is a wasteful number, since it uses less digits than its factorization.

9409072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1630 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 9409072 is about 3067.4210666291. The cubic root of 9409072 is about 211.1133013828.

The spelling of 9409072 in words is "nine million, four hundred nine thousand, seventy-two".