73836137 has 2 divisors, whose sum is σ = 73836138. Its totient is φ = 73836136.

The previous prime is 73836043. The next prime is 73836173. The reversal of 73836137 is 73163837.

It is a happy number.

Together with next prime (73836173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57320041 + 16516096 = 7571^2 + 4064^2 .

It is a cyclic number.

It is not a de Polignac number, because 73836137 - 2¹² = 73832041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73836137.

It is not a weakly prime, because it can be changed into another prime (73836197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36918068 + 36918069.

It is an arithmetic number, because the mean of its divisors is an integer number (36918069).

Almost surely, 2^73836137 is an apocalyptic number.

It is an amenable number.

73836137 is a deficient number, since it is larger than the sum of its proper divisors (1).

73836137 is an equidigital number, since it uses as much as digits as its factorization.

73836137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 73836137 is about 8592.7956451902. The cubic root of 73836137 is about 419.5235280726.

The spelling of 73836137 in words is "seventy-three million, eight hundred thirty-six thousand, one hundred thirty-seven".