72273762559 has 2 divisors, whose sum is σ = 72273762560. Its totient is φ = 72273762558.

The previous prime is 72273762551. The next prime is 72273762601. The reversal of 72273762559 is 95526737227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72273762559 - 2³ = 72273762551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72273762551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36136881279 + 36136881280.

It is an arithmetic number, because the mean of its divisors is an integer number (36136881280).

Almost surely, 2^72273762559 is an apocalyptic number.

72273762559 is a deficient number, since it is larger than the sum of its proper divisors (1).

72273762559 is an equidigital number, since it uses as much as digits as its factorization.

72273762559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11113200, while the sum is 55.

The spelling of 72273762559 in words is "seventy-two billion, two hundred seventy-three million, seven hundred sixty-two thousand, five hundred fifty-nine".