72351353671 has 2 divisors, whose sum is σ = 72351353672. Its totient is φ = 72351353670.

The previous prime is 72351353647. The next prime is 72351353749. The reversal of 72351353671 is 17635315327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72351353671 - 2²⁹ = 71814482759 is a prime.

It is a super-2 number, since 2×72351353671² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72351353071) 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, 36175676835 + 36175676836.

It is an arithmetic number, because the mean of its divisors is an integer number (36175676836).

Almost surely, 2^72351353671 is an apocalyptic number.

72351353671 is a deficient number, since it is larger than the sum of its proper divisors (1).

72351353671 is an equidigital number, since it uses as much as digits as its factorization.

72351353671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 43.

Adding to 72351353671 its reverse (17635315327), we get a palindrome (89986668998).

The spelling of 72351353671 in words is "seventy-two billion, three hundred fifty-one million, three hundred fifty-three thousand, six hundred seventy-one".