72244719 has 6 divisors (see below), whose sum is σ = 104353496. Its totient is φ = 48163140.

The previous prime is 72244709. The next prime is 72244759. The reversal of 72244719 is 91744227.

It is not a de Polignac number, because 72244719 - 2⁴ = 72244703 is a prime.

It is a super-2 number, since 2×72244719² = 10438598846777922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72244709) 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 5 ways as a sum of consecutive naturals, for example, 4013587 + ... + 4013604.

Almost surely, 2^72244719 is an apocalyptic number.

72244719 is a deficient number, since it is larger than the sum of its proper divisors (32108777).

72244719 is a wasteful number, since it uses less digits than its factorization.

72244719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027197 (or 8027194 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 72244719 is about 8499.6893472644. The cubic root of 72244719 is about 416.4875612798.

The spelling of 72244719 in words is "seventy-two million, two hundred forty-four thousand, seven hundred nineteen".