9021072 has 40 divisors (see below), whose sum is σ = 23467744. Its totient is φ = 2985984.

The previous prime is 9021071. The next prime is 9021113. The reversal of 9021072 is 2701209.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9021071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7248 + ... + 8400.

Almost surely, 2^9021072 is an apocalyptic number.

It is an amenable number.

9021072 is an abundant number, since it is smaller than the sum of its proper divisors (14446672).

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

9021072 is a wasteful number, since it uses less digits than its factorization.

9021072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1321 counting only the distinct ones).

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

The square root of 9021072 is about 3003.5099467123. The cubic root of 9021072 is about 208.1705947595.

The spelling of 9021072 in words is "nine million, twenty-one thousand, seventy-two".