9271272 has 16 divisors (see below), whose sum is σ = 23178240. Its totient is φ = 3090416.

The previous prime is 9271261. The next prime is 9271279. The reversal of 9271272 is 2721729.

It is a happy number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁵ + 2⁶ + 7 + 1 + 2²² + 7⁷ + 2²² .

It is not an unprimeable number, because it can be changed into a prime (9271279) 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, 193128 + ... + 193175.

It is an arithmetic number, because the mean of its divisors is an integer number (1448640).

Almost surely, 2^9271272 is an apocalyptic number.

It is an amenable number.

9271272 is an abundant number, since it is smaller than the sum of its proper divisors (13906968).

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

9271272 is a wasteful number, since it uses less digits than its factorization.

9271272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386312 (or 386308 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 9271272 is about 3044.8763521693. The cubic root of 9271272 is about 210.0776130351.

The spelling of 9271272 in words is "nine million, two hundred seventy-one thousand, two hundred seventy-two".