72444936 has 16 divisors (see below), whose sum is σ = 181112400. Its totient is φ = 24148304.

The previous prime is 72444919. The next prime is 72444937. The reversal of 72444936 is 63944427.

It is a junction number, because it is equal to n+sod(n) for n = 72444894 and 72444903.

It is not an unprimeable number, because it can be changed into a prime (72444937) 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, 1509246 + ... + 1509293.

It is an arithmetic number, because the mean of its divisors is an integer number (11319525).

Almost surely, 2^72444936 is an apocalyptic number.

It is an amenable number.

72444936 is an abundant number, since it is smaller than the sum of its proper divisors (108667464).

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

72444936 is a wasteful number, since it uses less digits than its factorization.

72444936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018548 (or 3018544 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 72444936 is about 8511.4590993554. The cubic root of 72444936 is about 416.8719537385.

The spelling of 72444936 in words is "seventy-two million, four hundred forty-four thousand, nine hundred thirty-six".