7271136 has 36 divisors (see below), whose sum is σ = 20678112. Its totient is φ = 2423616.

The previous prime is 7271113. The next prime is 7271137. The reversal of 7271136 is 6311727.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7271137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12336 + ... + 12911.

It is an arithmetic number, because the mean of its divisors is an integer number (574392).

Almost surely, 2^7271136 is an apocalyptic number.

It is an amenable number.

7271136 is an abundant number, since it is smaller than the sum of its proper divisors (13406976).

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

7271136 is a wasteful number, since it uses less digits than its factorization.

7271136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25263 (or 25252 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 7271136 is about 2696.5044038533. The cubic root of 7271136 is about 193.7317296681.

The spelling of 7271136 in words is "seven million, two hundred seventy-one thousand, one hundred thirty-six".