8747622 has 64 divisors (see below), whose sum is σ = 22196160. Its totient is φ = 2529792.

The previous prime is 8747617. The next prime is 8747623. The reversal of 8747622 is 2267478.

8747622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

Its product of digits (37632) is a multiple of the sum of its prime divisors (768).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8747623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11568 + ... + 12300.

It is an arithmetic number, because the mean of its divisors is an integer number (346815).

Almost surely, 2^8747622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8747622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11098080).

8747622 is an abundant number, since it is smaller than the sum of its proper divisors (13448538).

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

8747622 is a wasteful number, since it uses less digits than its factorization.

8747622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 768 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 8747622 is about 2957.6379088726. The cubic root of 8747622 is about 206.0455958392.

The spelling of 8747622 in words is "eight million, seven hundred forty-seven thousand, six hundred twenty-two".