72944267 has 8 divisors (see below), whose sum is σ = 80017392. Its totient is φ = 65944800.

The previous prime is 72944243. The next prime is 72944269. The reversal of 72944267 is 76244927.

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

It is a cyclic number.

It is not a de Polignac number, because 72944267 - 2⁶ = 72944203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72944269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16328 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (10002174).

Almost surely, 2^72944267 is an apocalyptic number.

72944267 is a deficient number, since it is larger than the sum of its proper divisors (7073125).

72944267 is a wasteful number, since it uses less digits than its factorization.

72944267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36829.

The product of its digits is 169344, while the sum is 41.

The square root of 72944267 is about 8540.7415954354. The cubic root of 72944267 is about 417.8275331478.

The spelling of 72944267 in words is "seventy-two million, nine hundred forty-four thousand, two hundred sixty-seven".