8729910 has 128 divisors (see below), whose sum is σ = 27648000. Its totient is φ = 1918080.

The previous prime is 8729887. The next prime is 8729923. The reversal of 8729910 is 199278.

It is a happy number.

It is a super-2 number, since 2×8729910² = 152422657216200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58516 + ... + 58664.

It is an arithmetic number, because the mean of its divisors is an integer number (216000).

Almost surely, 2^8729910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8729910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13824000).

8729910 is an abundant number, since it is smaller than the sum of its proper divisors (18918090).

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

8729910 is a wasteful number, since it uses less digits than its factorization.

8729910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 8729910 is about 2954.6421103071. The cubic root of 8729910 is about 205.9064362864.

The spelling of 8729910 in words is "eight million, seven hundred twenty-nine thousand, nine hundred ten".