72412053525437 has 2 divisors, whose sum is σ = 72412053525438. Its totient is φ = 72412053525436.

The previous prime is 72412053525379. The next prime is 72412053525503. The reversal of 72412053525437 is 73452535021427.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60830187995641 + 11581865529796 = 7799371^2 + 3403214^2 .

It is a cyclic number.

It is not a de Polignac number, because 72412053525437 - 2⁶ = 72412053525373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72412053525337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36206026762718 + 36206026762719.

It is an arithmetic number, because the mean of its divisors is an integer number (36206026762719).

Almost surely, 2^{72412053525437} is an apocalyptic number.

It is an amenable number.

72412053525437 is a deficient number, since it is larger than the sum of its proper divisors (1).

72412053525437 is an equidigital number, since it uses as much as digits as its factorization.

72412053525437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056000, while the sum is 50.

The spelling of 72412053525437 in words is "seventy-two trillion, four hundred twelve billion, fifty-three million, five hundred twenty-five thousand, four hundred thirty-seven".