8729070 has 64 divisors (see below), whose sum is σ = 24178176. Its totient is φ = 1975680.

The previous prime is 8729059. The next prime is 8729081. The reversal of 8729070 is 709278.

8729070 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8729059) and next prime (8729081).

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

8729070 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41265 + ... + 41475.

It is an arithmetic number, because the mean of its divisors is an integer number (377784).

Almost surely, 2^8729070 is an apocalyptic number.

It is a pronic number, being equal to 2954×2955.

It is a practical number, because each smaller number is the sum of distinct divisors of 8729070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12089088).

8729070 is an abundant number, since it is smaller than the sum of its proper divisors (15449106).

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

8729070 is a wasteful number, since it uses less digits than its factorization.

8729070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 8729070 is about 2954.4999576917. The cubic root of 8729070 is about 205.8998319054.

The spelling of 8729070 in words is "eight million, seven hundred twenty-nine thousand, seventy".