72524743 has 2 divisors, whose sum is σ = 72524744. Its totient is φ = 72524742.

The previous prime is 72524741. The next prime is 72524761. The reversal of 72524743 is 34742527.

It is a weak prime.

It is an emirp because it is prime and its reverse (34742527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72524743 - 2¹ = 72524741 is a prime.

Together with 72524741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 72524699 and 72524708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72524741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36262371 + 36262372.

It is an arithmetic number, because the mean of its divisors is an integer number (36262372).

Almost surely, 2^72524743 is an apocalyptic number.

72524743 is a deficient number, since it is larger than the sum of its proper divisors (1).

72524743 is an equidigital number, since it uses as much as digits as its factorization.

72524743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 34.

The square root of 72524743 is about 8516.1460180060. The cubic root of 72524743 is about 417.0249761239.

The spelling of 72524743 in words is "seventy-two million, five hundred twenty-four thousand, seven hundred forty-three".