8273665 has 4 divisors (see below), whose sum is σ = 9928404. Its totient is φ = 6618928.

The previous prime is 8273659. The next prime is 8273693. The reversal of 8273665 is 5663728.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2547216 + 5726449 = 1596^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 8273665 - 2¹¹ = 8271617 is a prime.

It is a Duffinian number.

8273665 is a lucky number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 827362 + ... + 827371.

It is an arithmetic number, because the mean of its divisors is an integer number (2482101).

Almost surely, 2^8273665 is an apocalyptic number.

It is an amenable number.

8273665 is a deficient number, since it is larger than the sum of its proper divisors (1654739).

8273665 is a wasteful number, since it uses less digits than its factorization.

8273665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654738.

The product of its digits is 60480, while the sum is 37.

The square root of 8273665 is about 2876.3979210116. The cubic root of 8273665 is about 202.2550205202.

The spelling of 8273665 in words is "eight million, two hundred seventy-three thousand, six hundred sixty-five".