72384943 has 2 divisors, whose sum is σ = 72384944. Its totient is φ = 72384942.

The previous prime is 72384937. The next prime is 72384947. The reversal of 72384943 is 34948327.

It is a strong prime.

It is an emirp because it is prime and its reverse (34948327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72384943 - 2¹⁷ = 72253871 is a prime.

It is a super-2 number, since 2×72384943² = 10479159946226498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72384896 and 72384905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72384947) 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 as a sum of consecutive naturals, namely, 36192471 + 36192472.

It is an arithmetic number, because the mean of its divisors is an integer number (36192472).

Almost surely, 2^72384943 is an apocalyptic number.

72384943 is a deficient number, since it is larger than the sum of its proper divisors (1).

72384943 is an equidigital number, since it uses as much as digits as its factorization.

72384943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 72384943 is about 8507.9341205724. The cubic root of 72384943 is about 416.7568488176.

The spelling of 72384943 in words is "seventy-two million, three hundred eighty-four thousand, nine hundred forty-three".