8272905 has 16 divisors (see below), whose sum is σ = 13276224. Its totient is φ = 4399040.

The previous prime is 8272883. The next prime is 8272909. The reversal of 8272905 is 5092728.

It is not a de Polignac number, because 8272905 - 2¹³ = 8264713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8272909) 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, 6415 + ... + 7595.

It is an arithmetic number, because the mean of its divisors is an integer number (829764).

Almost surely, 2^8272905 is an apocalyptic number.

It is an amenable number.

8272905 is a deficient number, since it is larger than the sum of its proper divisors (5003319).

8272905 is a wasteful number, since it uses less digits than its factorization.

8272905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 8272905 is about 2876.2658083008. The cubic root of 8272905 is about 202.2488274356.

The spelling of 8272905 in words is "eight million, two hundred seventy-two thousand, nine hundred five".