72507144816683 has 2 divisors, whose sum is σ = 72507144816684. Its totient is φ = 72507144816682.

The previous prime is 72507144816649. The next prime is 72507144816697. The reversal of 72507144816683 is 38661844170527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72507144816683 - 2²⁰ = 72507143768107 is a prime.

It is not a weakly prime, because it can be changed into another prime (72507144816643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36253572408341 + 36253572408342.

It is an arithmetic number, because the mean of its divisors is an integer number (36253572408342).

Almost surely, 2^{72507144816683} is an apocalyptic number.

72507144816683 is a deficient number, since it is larger than the sum of its proper divisors (1).

72507144816683 is an equidigital number, since it uses as much as digits as its factorization.

72507144816683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 72507144816683 in words is "seventy-two trillion, five hundred seven billion, one hundred forty-four million, eight hundred sixteen thousand, six hundred eighty-three".