72702301853 has 2 divisors, whose sum is σ = 72702301854. Its totient is φ = 72702301852.

The previous prime is 72702301829. The next prime is 72702301907. The reversal of 72702301853 is 35810320727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55796581369 + 16905720484 = 236213^2 + 130022^2 .

It is a cyclic number.

It is not a de Polignac number, because 72702301853 - 2¹⁰ = 72702300829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72702301453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36351150926 + 36351150927.

It is an arithmetic number, because the mean of its divisors is an integer number (36351150927).

Almost surely, 2^72702301853 is an apocalyptic number.

It is an amenable number.

72702301853 is a deficient number, since it is larger than the sum of its proper divisors (1).

72702301853 is an equidigital number, since it uses as much as digits as its factorization.

72702301853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 72702301853 in words is "seventy-two billion, seven hundred two million, three hundred one thousand, eight hundred fifty-three".