72336044 has 12 divisors (see below), whose sum is σ = 138096168. Its totient is φ = 32880000.

The previous prime is 72336031. The next prime is 72336079. The reversal of 72336044 is 44063327.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72335998 and 72336016.

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 3 ways as a sum of consecutive naturals, for example, 821957 + ... + 822044.

It is an arithmetic number, because the mean of its divisors is an integer number (11508014).

Almost surely, 2^72336044 is an apocalyptic number.

It is an amenable number.

72336044 is a deficient number, since it is larger than the sum of its proper divisors (65760124).

72336044 is a wasteful number, since it uses less digits than its factorization.

72336044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644016 (or 1644014 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 72336044 is about 8505.0599057267. The cubic root of 72336044 is about 416.6629822252.

The spelling of 72336044 in words is "seventy-two million, three hundred thirty-six thousand, forty-four".