8069664 has 24 divisors (see below), whose sum is σ = 21183120. Its totient is φ = 2689856.

The previous prime is 8069651. The next prime is 8069671. The reversal of 8069664 is 4669608.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41934 + ... + 42125.

It is an arithmetic number, because the mean of its divisors is an integer number (882630).

Almost surely, 2^8069664 is an apocalyptic number.

It is an amenable number.

8069664 is an abundant number, since it is smaller than the sum of its proper divisors (13113456).

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

8069664 is a wasteful number, since it uses less digits than its factorization.

8069664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84072 (or 84064 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 8069664 is about 2840.7154028519. The cubic root of 8069664 is about 200.5788563437.

The spelling of 8069664 in words is "eight million, sixty-nine thousand, six hundred sixty-four".