72044932 has 24 divisors (see below), whose sum is σ = 130757760. Its totient is φ = 34692000.

The previous prime is 72044923. The next prime is 72044933. The reversal of 72044932 is 23944027.

It is a junction number, because it is equal to n+sod(n) for n = 72044894 and 72044903.

It is not an unprimeable number, because it can be changed into a prime (72044933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86703 + ... + 87529.

It is an arithmetic number, because the mean of its divisors is an integer number (5448240).

Almost surely, 2^72044932 is an apocalyptic number.

It is an amenable number.

72044932 is a deficient number, since it is larger than the sum of its proper divisors (58712828).

72044932 is a wasteful number, since it uses less digits than its factorization.

72044932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 72044932 is about 8487.9286047893. The cubic root of 72044932 is about 416.1032858059.

Adding to 72044932 its reverse (23944027), we get a palindrome (95988959).

The spelling of 72044932 in words is "seventy-two million, forty-four thousand, nine hundred thirty-two".