8423772 has 72 divisors (see below), whose sum is σ = 23931264. Its totient is φ = 2258688.

The previous prime is 8423759. The next prime is 8423777. The reversal of 8423772 is 2773248.

It is a super-3 number, since 3×8423772³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24103 + ... + 24449.

Almost surely, 2^8423772 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 8423772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11965632).

8423772 is an abundant number, since it is smaller than the sum of its proper divisors (15507492).

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

8423772 is a wasteful number, since it uses less digits than its factorization.

8423772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 376 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 8423772 is about 2902.3735114558. The cubic root of 8423772 is about 203.4708508658.

The spelling of 8423772 in words is "eight million, four hundred twenty-three thousand, seven hundred seventy-two".