72112162 has 8 divisors (see below), whose sum is σ = 108240300. Its totient is φ = 36032064.

The previous prime is 72112133. The next prime is 72112177. The reversal of 72112162 is 26121127.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63696361 + 8415801 = 7981^2 + 2901^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7987 + ... + 14422.

Almost surely, 2^72112162 is an apocalyptic number.

72112162 is a deficient number, since it is larger than the sum of its proper divisors (36128138).

72112162 is a wasteful number, since it uses less digits than its factorization.

72112162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24020.

The product of its digits is 336, while the sum is 22.

The square root of 72112162 is about 8491.8880115084. Note that the first 3 decimals coincide. The cubic root of 72112162 is about 416.2326769417.

Adding to 72112162 its reverse (26121127), we get a palindrome (98233289).

The spelling of 72112162 in words is "seventy-two million, one hundred twelve thousand, one hundred sixty-two".