72442182 has 8 divisors (see below), whose sum is σ = 144884376. Its totient is φ = 24147392.

The previous prime is 72442159. The next prime is 72442187. The reversal of 72442182 is 28124427.

It is a sphenic number, since it is the product of 3 distinct primes.

72442182 is an admirable number.

It is a super-2 number, since 2×72442182² = 10495739465842248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72442187) 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, 6036843 + ... + 6036854.

It is an arithmetic number, because the mean of its divisors is an integer number (18110547).

Almost surely, 2^72442182 is an apocalyptic number.

72442182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72442182 is a wasteful number, since it uses less digits than its factorization.

72442182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12073702.

The product of its digits is 7168, while the sum is 30.

The square root of 72442182 is about 8511.2973159208. The cubic root of 72442182 is about 416.8666711981.

The spelling of 72442182 in words is "seventy-two million, four hundred forty-two thousand, one hundred eighty-two".