72346207469 has 2 divisors, whose sum is σ = 72346207470. Its totient is φ = 72346207468.

The previous prime is 72346207391. The next prime is 72346207487. The reversal of 72346207469 is 96470264327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67372431844 + 4973775625 = 259562^2 + 70525^2 .

It is a cyclic number.

It is not a de Polignac number, because 72346207469 - 2¹² = 72346203373 is a prime.

It is a super-2 number, since 2×72346207469² (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 (72346207069) 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, 36173103734 + 36173103735.

It is an arithmetic number, because the mean of its divisors is an integer number (36173103735).

Almost surely, 2^72346207469 is an apocalyptic number.

It is an amenable number.

72346207469 is a deficient number, since it is larger than the sum of its proper divisors (1).

72346207469 is an equidigital number, since it uses as much as digits as its factorization.

72346207469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 72346207469 in words is "seventy-two billion, three hundred forty-six million, two hundred seven thousand, four hundred sixty-nine".