8472870 has 64 divisors (see below), whose sum is σ = 25827840. Its totient is φ = 1936224.

The previous prime is 8472869. The next prime is 8472881. The reversal of 8472870 is 782748.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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, 352 + ... + 4131.

It is an arithmetic number, because the mean of its divisors is an integer number (403560).

Almost surely, 2^8472870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8472870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12913920).

8472870 is an abundant number, since it is smaller than the sum of its proper divisors (17354970).

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

8472870 is a wasteful number, since it uses less digits than its factorization.

8472870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 8472870 is about 2910.8194722449. The cubic root of 8472870 is about 203.8653956332.

It can be divided in two parts, 8 and 472870, that added together give a triangular number (472878 = T₉₇₂).

The spelling of 8472870 in words is "eight million, four hundred seventy-two thousand, eight hundred seventy".