8672506 has 4 divisors (see below), whose sum is σ = 13008762. Its totient is φ = 4336252.

The previous prime is 8672501. The next prime is 8672509. The reversal of 8672506 is 6052768.

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

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 349281 = 2885^2 + 591^2 .

It is not an unprimeable number, because it can be changed into a prime (8672501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2168125 + ... + 2168128.

Almost surely, 2^8672506 is an apocalyptic number.

8672506 is a deficient number, since it is larger than the sum of its proper divisors (4336256).

8672506 is a wasteful number, since it uses less digits than its factorization.

8672506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336255.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 8672506 is about 2944.9118832318. The cubic root of 8672506 is about 205.4541270991.

The spelling of 8672506 in words is "eight million, six hundred seventy-two thousand, five hundred six".