8720106 has 16 divisors (see below), whose sum is σ = 17621184. Its totient is φ = 2876544.

The previous prime is 8720087. The next prime is 8720111. The reversal of 8720106 is 6010278.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6910 + ... + 8073.

It is an arithmetic number, because the mean of its divisors is an integer number (1101324).

Almost surely, 2^8720106 is an apocalyptic number.

8720106 is an abundant number, since it is smaller than the sum of its proper divisors (8901078).

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

8720106 is a wasteful number, since it uses less digits than its factorization.

8720106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15085.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 8720106 is about 2952.9825600569. The cubic root of 8720106 is about 205.8293273255.

The spelling of 8720106 in words is "eight million, seven hundred twenty thousand, one hundred six".