8729534 has 24 divisors (see below), whose sum is σ = 15185448. Its totient is φ = 3731840.

The previous prime is 8729491. The next prime is 8729543. The reversal of 8729534 is 4359278.

It is a super-3 number, since 3×8729534³ (a number of 22 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 8⁶ + 7⁸ + 2²⁰ + 9⁵ + 5⁴ + 3¹³ + 4² .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5672 + ... + 7044.

It is an arithmetic number, because the mean of its divisors is an integer number (632727).

Almost surely, 2^8729534 is an apocalyptic number.

8729534 is a deficient number, since it is larger than the sum of its proper divisors (6455914).

8729534 is a wasteful number, since it uses less digits than its factorization.

8729534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1403 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 8729534 is about 2954.5784809343. The cubic root of 8729534 is about 205.9034800920.

The spelling of 8729534 in words is "eight million, seven hundred twenty-nine thousand, five hundred thirty-four".