73866847037 has 2 divisors, whose sum is σ = 73866847038. Its totient is φ = 73866847036.

The previous prime is 73866847003. The next prime is 73866847057. The reversal of 73866847037 is 73074866837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62895122521 + 10971724516 = 250789^2 + 104746^2 .

It is a cyclic number.

It is not a de Polignac number, because 73866847037 - 2⁶ = 73866846973 is a prime.

It is a super-2 number, since 2×73866847037² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73866847057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36933423518 + 36933423519.

It is an arithmetic number, because the mean of its divisors is an integer number (36933423519).

Almost surely, 2^73866847037 is an apocalyptic number.

It is an amenable number.

73866847037 is a deficient number, since it is larger than the sum of its proper divisors (1).

73866847037 is an equidigital number, since it uses as much as digits as its factorization.

73866847037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28449792, while the sum is 59.

The spelling of 73866847037 in words is "seventy-three billion, eight hundred sixty-six million, eight hundred forty-seven thousand, thirty-seven".