9201072 has 20 divisors (see below), whose sum is σ = 23769560. Its totient is φ = 3067008.

The previous prime is 9201067. The next prime is 9201089. The reversal of 9201072 is 2701029.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95797 + ... + 95892.

It is an arithmetic number, because the mean of its divisors is an integer number (1188478).

Almost surely, 2^9201072 is an apocalyptic number.

It is an amenable number.

9201072 is an abundant number, since it is smaller than the sum of its proper divisors (14568488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9201072 is a wasteful number, since it uses less digits than its factorization.

9201072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191700 (or 191694 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 9201072 is about 3033.3268864400. The cubic root of 9201072 is about 209.5460488922.

The spelling of 9201072 in words is "nine million, two hundred one thousand, seventy-two".