72044362 has 12 divisors (see below), whose sum is σ = 117019350. Its totient is φ = 33251088.

The previous prime is 72044359. The next prime is 72044377. The reversal of 72044362 is 26344027.

It can be written as a sum of positive squares in 3 ways, for example, as 43837641 + 28206721 = 6621^2 + 5311^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72044362.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106237 + ... + 106912.

Almost surely, 2^72044362 is an apocalyptic number.

72044362 is a deficient number, since it is larger than the sum of its proper divisors (44974988).

72044362 is a wasteful number, since it uses less digits than its factorization.

72044362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213177 (or 213164 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 72044362 is about 8487.8950276261. The cubic root of 72044362 is about 416.1021884375.

Adding to 72044362 its reverse (26344027), we get a palindrome (98388389).

The spelling of 72044362 in words is "seventy-two million, forty-four thousand, three hundred sixty-two".