72412061052073 has 2 divisors, whose sum is σ = 72412061052074. Its totient is φ = 72412061052072.

The previous prime is 72412061052047. The next prime is 72412061052077. The reversal of 72412061052073 is 37025016021427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39761499371584 + 32650561680489 = 6305672^2 + 5714067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72412061052073 is a prime.

It is not a weakly prime, because it can be changed into another prime (72412061052077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36206030526036 + 36206030526037.

It is an arithmetic number, because the mean of its divisors is an integer number (36206030526037).

Almost surely, 2^{72412061052073} is an apocalyptic number.

It is an amenable number.

72412061052073 is a deficient number, since it is larger than the sum of its proper divisors (1).

72412061052073 is an equidigital number, since it uses as much as digits as its factorization.

72412061052073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 72412061052073 in words is "seventy-two trillion, four hundred twelve billion, sixty-one million, fifty-two thousand, seventy-three".