72353235307 has 2 divisors, whose sum is σ = 72353235308. Its totient is φ = 72353235306.

The previous prime is 72353235289. The next prime is 72353235313. The reversal of 72353235307 is 70353235327.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70353235327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72353235307 - 2¹⁹ = 72352711019 is a prime.

It is a super-2 number, since 2×72353235307² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72353235307.

It is not a weakly prime, because it can be changed into another prime (72353235377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36176617653 + 36176617654.

It is an arithmetic number, because the mean of its divisors is an integer number (36176617654).

Almost surely, 2^72353235307 is an apocalyptic number.

72353235307 is a deficient number, since it is larger than the sum of its proper divisors (1).

72353235307 is an equidigital number, since it uses as much as digits as its factorization.

72353235307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 40.

The spelling of 72353235307 in words is "seventy-two billion, three hundred fifty-three million, two hundred thirty-five thousand, three hundred seven".