72524339 has 2 divisors, whose sum is σ = 72524340. Its totient is φ = 72524338.

The previous prime is 72524297. The next prime is 72524341. The reversal of 72524339 is 93342527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72524339 - 2¹² = 72520243 is a prime.

Together with 72524341, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72524299 and 72524308.

It is not a weakly prime, because it can be changed into another prime (72524369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36262169 + 36262170.

It is an arithmetic number, because the mean of its divisors is an integer number (36262170).

Almost surely, 2^72524339 is an apocalyptic number.

72524339 is a deficient number, since it is larger than the sum of its proper divisors (1).

72524339 is an equidigital number, since it uses as much as digits as its factorization.

72524339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 72524339 is about 8516.1222983233. The cubic root of 72524339 is about 417.0242017748.

The spelling of 72524339 in words is "seventy-two million, five hundred twenty-four thousand, three hundred thirty-nine".