72457135763 has 2 divisors, whose sum is σ = 72457135764. Its totient is φ = 72457135762.

The previous prime is 72457135741. The next prime is 72457135787. The reversal of 72457135763 is 36753175427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72457135763 - 2¹² = 72457131667 is a prime.

It is not a weakly prime, because it can be changed into another prime (72457135703) 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, 36228567881 + 36228567882.

It is an arithmetic number, because the mean of its divisors is an integer number (36228567882).

Almost surely, 2^72457135763 is an apocalyptic number.

72457135763 is a deficient number, since it is larger than the sum of its proper divisors (1).

72457135763 is an equidigital number, since it uses as much as digits as its factorization.

72457135763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3704400, while the sum is 50.

The spelling of 72457135763 in words is "seventy-two billion, four hundred fifty-seven million, one hundred thirty-five thousand, seven hundred sixty-three".