72380743 has 2 divisors, whose sum is σ = 72380744. Its totient is φ = 72380742.

The previous prime is 72380699. The next prime is 72380761. The reversal of 72380743 is 34708327.

It is a strong prime.

It is an emirp because it is prime and its reverse (34708327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72380743 - 2¹³ = 72372551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72380699 and 72380708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72384743) 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, 36190371 + 36190372.

It is an arithmetic number, because the mean of its divisors is an integer number (36190372).

Almost surely, 2^72380743 is an apocalyptic number.

72380743 is a deficient number, since it is larger than the sum of its proper divisors (1).

72380743 is an equidigital number, since it uses as much as digits as its factorization.

72380743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 72380743 is about 8507.6872885644. The cubic root of 72380743 is about 416.7487881513.

The spelling of 72380743 in words is "seventy-two million, three hundred eighty thousand, seven hundred forty-three".