8729552 has 20 divisors (see below), whose sum is σ = 18214980. Its totient is φ = 4028928.

The previous prime is 8729543. The next prime is 8729557. The reversal of 8729552 is 2559278.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 6431296 = 1516^2 + 2536^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8729557) 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, 20777 + ... + 21192.

It is an arithmetic number, because the mean of its divisors is an integer number (910749).

Almost surely, 2^8729552 is an apocalyptic number.

It is an amenable number.

8729552 is an abundant number, since it is smaller than the sum of its proper divisors (9485428).

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

8729552 is a wasteful number, since it uses less digits than its factorization.

8729552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41990 (or 41984 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 8729552 is about 2954.5815270525. The cubic root of 8729552 is about 205.9036216139.

The spelling of 8729552 in words is "eight million, seven hundred twenty-nine thousand, five hundred fifty-two".