8669772 has 36 divisors (see below), whose sum is σ = 22222200. Its totient is φ = 2849472.

The previous prime is 8669767. The next prime is 8669777. The reversal of 8669772 is 2779668.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8669767) and next prime (8669777).

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8669777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979 + ... + 4277.

Almost surely, 2^8669772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8669772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11111100).

8669772 is an abundant number, since it is smaller than the sum of its proper divisors (13552428).

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

8669772 is a wasteful number, since it uses less digits than its factorization.

8669772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 3377 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 8669772 is about 2944.4476561827. The cubic root of 8669772 is about 205.4325350848.

The spelling of 8669772 in words is "eight million, six hundred sixty-nine thousand, seven hundred seventy-two".