73386121 has 2 divisors, whose sum is σ = 73386122. Its totient is φ = 73386120.

The previous prime is 73386119. The next prime is 73386163. The reversal of 73386121 is 12168337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73359225 + 26896 = 8565^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 73386121 - 2¹ = 73386119 is a prime.

Together with 73386119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73386221) 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, 36693060 + 36693061.

It is an arithmetic number, because the mean of its divisors is an integer number (36693061).

Almost surely, 2^73386121 is an apocalyptic number.

It is an amenable number.

73386121 is a deficient number, since it is larger than the sum of its proper divisors (1).

73386121 is an equidigital number, since it uses as much as digits as its factorization.

73386121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 73386121 is about 8566.5699670288. The cubic root of 73386121 is about 418.6694875729.

The spelling of 73386121 in words is "seventy-three million, three hundred eighty-six thousand, one hundred twenty-one".