72207603018347 has 2 divisors, whose sum is σ = 72207603018348. Its totient is φ = 72207603018346.

The previous prime is 72207603018337. The next prime is 72207603018493. The reversal of 72207603018347 is 74381030670227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72207603018347 - 2⁸ = 72207603018091 is a prime.

It is a super-2 number, since 2×72207603018347² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72207603018295 and 72207603018304.

It is not a weakly prime, because it can be changed into another prime (72207603018337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36103801509173 + 36103801509174.

It is an arithmetic number, because the mean of its divisors is an integer number (36103801509174).

Almost surely, 2^{72207603018347} is an apocalyptic number.

72207603018347 is a deficient number, since it is larger than the sum of its proper divisors (1).

72207603018347 is an equidigital number, since it uses as much as digits as its factorization.

72207603018347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 72207603018347 in words is "seventy-two trillion, two hundred seven billion, six hundred three million, eighteen thousand, three hundred forty-seven".