8272761 has 16 divisors (see below), whose sum is σ = 13348224. Its totient is φ = 4449024.

The previous prime is 8272757. The next prime is 8272763. The reversal of 8272761 is 1672728.

It is not a de Polignac number, because 8272761 - 2² = 8272757 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8272763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11230 + ... + 11943.

It is an arithmetic number, because the mean of its divisors is an integer number (834264).

Almost surely, 2^8272761 is an apocalyptic number.

It is an amenable number.

8272761 is a deficient number, since it is larger than the sum of its proper divisors (5075463).

8272761 is a wasteful number, since it uses less digits than its factorization.

8272761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23200.

The product of its digits is 9408, while the sum is 33.

The square root of 8272761 is about 2876.2407757349. The cubic root of 8272761 is about 202.2476539663.

Subtracting from 8272761 its sum of digits (33), we obtain a palindrome (8272728).

The spelling of 8272761 in words is "eight million, two hundred seventy-two thousand, seven hundred sixty-one".