72339606570547 has 2 divisors, whose sum is σ = 72339606570548. Its totient is φ = 72339606570546.

The previous prime is 72339606570481. The next prime is 72339606570577. The reversal of 72339606570547 is 74507560693327.

It is a strong prime.

It is an emirp because it is prime and its reverse (74507560693327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72339606570547 - 2¹¹ = 72339606568499 is a prime.

It is not a weakly prime, because it can be changed into another prime (72339606570577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36169803285273 + 36169803285274.

It is an arithmetic number, because the mean of its divisors is an integer number (36169803285274).

Almost surely, 2^{72339606570547} is an apocalyptic number.

72339606570547 is a deficient number, since it is larger than the sum of its proper divisors (1).

72339606570547 is an equidigital number, since it uses as much as digits as its factorization.

72339606570547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200037600, while the sum is 64.

The spelling of 72339606570547 in words is "seventy-two trillion, three hundred thirty-nine billion, six hundred six million, five hundred seventy thousand, five hundred forty-seven".