72364351277 has 2 divisors, whose sum is σ = 72364351278. Its totient is φ = 72364351276.

The previous prime is 72364351219. The next prime is 72364351351. The reversal of 72364351277 is 77215346327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72114268681 + 250082596 = 268541^2 + 15814^2 .

It is a cyclic number.

It is not a de Polignac number, because 72364351277 - 2²⁸ = 72095915821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72364351777) 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, 36182175638 + 36182175639.

It is an arithmetic number, because the mean of its divisors is an integer number (36182175639).

Almost surely, 2^72364351277 is an apocalyptic number.

It is an amenable number.

72364351277 is a deficient number, since it is larger than the sum of its proper divisors (1).

72364351277 is an equidigital number, since it uses as much as digits as its factorization.

72364351277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 47.

The spelling of 72364351277 in words is "seventy-two billion, three hundred sixty-four million, three hundred fifty-one thousand, two hundred seventy-seven".