8729492 has 12 divisors (see below), whose sum is σ = 15350496. Its totient is φ = 4343640.

The previous prime is 8729491. The next prime is 8729543. The reversal of 8729492 is 2949278.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8729491) 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, 4328 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (1279208).

Almost surely, 2^8729492 is an apocalyptic number.

It is an amenable number.

8729492 is a deficient number, since it is larger than the sum of its proper divisors (6621004).

8729492 is a wasteful number, since it uses less digits than its factorization.

8729492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10558 (or 10556 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 8729492 is about 2954.5713733129. The cubic root of 8729492 is about 205.9031498735.

The spelling of 8729492 in words is "eight million, seven hundred twenty-nine thousand, four hundred ninety-two".