73506089 has 2 divisors, whose sum is σ = 73506090. Its totient is φ = 73506088.

The previous prime is 73506077. The next prime is 73506131. The reversal of 73506089 is 98060537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65286400 + 8219689 = 8080^2 + 2867^2 .

It is a cyclic number.

It is not a de Polignac number, because 73506089 - 2¹² = 73501993 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 (73506029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36753044 + 36753045.

It is an arithmetic number, because the mean of its divisors is an integer number (36753045).

Almost surely, 2^73506089 is an apocalyptic number.

It is an amenable number.

73506089 is a deficient number, since it is larger than the sum of its proper divisors (1).

73506089 is an equidigital number, since it uses as much as digits as its factorization.

73506089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 73506089 is about 8573.5692100781. The cubic root of 73506089 is about 418.8975034235.

The spelling of 73506089 in words is "seventy-three million, five hundred six thousand, eighty-nine".