8563772 has 12 divisors (see below), whose sum is σ = 17127600. Its totient is φ = 3670176.

The previous prime is 8563771. The next prime is 8563783. The reversal of 8563772 is 2773658.

It is a happy number.

8563772 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 8⁷ + 5 + 6² + 3¹¹ + 7³ + 7⁸ + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8563771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152897 + ... + 152952.

It is an arithmetic number, because the mean of its divisors is an integer number (1427300).

Almost surely, 2^8563772 is an apocalyptic number.

It is an amenable number.

8563772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8563772 is a wasteful number, since it uses less digits than its factorization.

8563772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305860 (or 305858 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 8563772 is about 2926.3923181966. The cubic root of 8563772 is about 204.5918669510.

The spelling of 8563772 in words is "eight million, five hundred sixty-three thousand, seven hundred seventy-two".