73407734033 has 2 divisors, whose sum is σ = 73407734034. Its totient is φ = 73407734032.

The previous prime is 73407734003. The next prime is 73407734161. The reversal of 73407734033 is 33043770437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47005708864 + 26402025169 = 216808^2 + 162487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73407734033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73407734003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36703867016 + 36703867017.

It is an arithmetic number, because the mean of its divisors is an integer number (36703867017).

Almost surely, 2^73407734033 is an apocalyptic number.

It is an amenable number.

73407734033 is a deficient number, since it is larger than the sum of its proper divisors (1).

73407734033 is an equidigital number, since it uses as much as digits as its factorization.

73407734033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 41.

The spelling of 73407734033 in words is "seventy-three billion, four hundred seven million, seven hundred thirty-four thousand, thirty-three".