72063650237 has 2 divisors, whose sum is σ = 72063650238. Its totient is φ = 72063650236.

The previous prime is 72063650231. The next prime is 72063650257. The reversal of 72063650237 is 73205636027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50753781796 + 21309868441 = 225286^2 + 145979^2 .

It is a cyclic number.

It is not a de Polignac number, because 72063650237 - 2¹² = 72063646141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72063650194 and 72063650203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72063650231) 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, 36031825118 + 36031825119.

It is an arithmetic number, because the mean of its divisors is an integer number (36031825119).

Almost surely, 2^72063650237 is an apocalyptic number.

It is an amenable number.

72063650237 is a deficient number, since it is larger than the sum of its proper divisors (1).

72063650237 is an equidigital number, since it uses as much as digits as its factorization.

72063650237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 72063650237 in words is "seventy-two billion, sixty-three million, six hundred fifty thousand, two hundred thirty-seven".