72289182 has 64 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 20089344.

The previous prime is 72289169. The next prime is 72289201. The reversal of 72289182 is 28198227.

It is a self number, because there is not a number n which added to its sum of digits gives 72289182.

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, 310138 + ... + 310370.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^72289182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72289182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

72289182 is an abundant number, since it is smaller than the sum of its proper divisors (97538658).

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

72289182 is a wasteful number, since it uses less digits than its factorization.

72289182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its digits is 32256, while the sum is 39.

The square root of 72289182 is about 8502.3045111311. The cubic root of 72289182 is about 416.5729861569.

The spelling of 72289182 in words is "seventy-two million, two hundred eighty-nine thousand, one hundred eighty-two".