72244733 has 8 divisors (see below), whose sum is σ = 80148960. Its totient is φ = 64563280.

The previous prime is 72244709. The next prime is 72244759. The reversal of 72244733 is 33744227.

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 72244733 - 2¹⁰ = 72243709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72244733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72244703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55010 + ... + 56307.

It is an arithmetic number, because the mean of its divisors is an integer number (10018620).

Almost surely, 2^72244733 is an apocalyptic number.

It is an amenable number.

72244733 is a deficient number, since it is larger than the sum of its proper divisors (7904227).

72244733 is a wasteful number, since it uses less digits than its factorization.

72244733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111387.

The product of its digits is 28224, while the sum is 32.

The square root of 72244733 is about 8499.6901708239. The cubic root of 72244733 is about 416.4875881830.

The spelling of 72244733 in words is "seventy-two million, two hundred forty-four thousand, seven hundred thirty-three".