72741307139 has 2 divisors, whose sum is σ = 72741307140. Its totient is φ = 72741307138.

The previous prime is 72741307127. The next prime is 72741307147. The reversal of 72741307139 is 93170314727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72741307139 - 2¹⁶ = 72741241603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72741307139.

It is not a weakly prime, because it can be changed into another prime (72741307159) 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, 36370653569 + 36370653570.

It is an arithmetic number, because the mean of its divisors is an integer number (36370653570).

Almost surely, 2^72741307139 is an apocalyptic number.

72741307139 is a deficient number, since it is larger than the sum of its proper divisors (1).

72741307139 is an equidigital number, since it uses as much as digits as its factorization.

72741307139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 72741307139 in words is "seventy-two billion, seven hundred forty-one million, three hundred seven thousand, one hundred thirty-nine".