72285730037 has 2 divisors, whose sum is σ = 72285730038. Its totient is φ = 72285730036.

The previous prime is 72285730007. The next prime is 72285730051. The reversal of 72285730037 is 73003758227.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67877965156 + 4407764881 = 260534^2 + 66391^2 .

It is a cyclic number.

It is not a de Polignac number, because 72285730037 - 2¹⁶ = 72285664501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72285730037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72285730007) 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, 36142865018 + 36142865019.

It is an arithmetic number, because the mean of its divisors is an integer number (36142865019).

Almost surely, 2^72285730037 is an apocalyptic number.

It is an amenable number.

72285730037 is a deficient number, since it is larger than the sum of its proper divisors (1).

72285730037 is an equidigital number, since it uses as much as digits as its factorization.

72285730037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 72285730037 in words is "seventy-two billion, two hundred eighty-five million, seven hundred thirty thousand, thirty-seven".