73765361 has 2 divisors, whose sum is σ = 73765362. Its totient is φ = 73765360.

The previous prime is 73765333. The next prime is 73765421. The reversal of 73765361 is 16356737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72250000 + 1515361 = 8500^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 73765361 - 2¹⁸ = 73503217 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 (73765061) 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, 36882680 + 36882681.

It is an arithmetic number, because the mean of its divisors is an integer number (36882681).

Almost surely, 2^73765361 is an apocalyptic number.

It is an amenable number.

73765361 is a deficient number, since it is larger than the sum of its proper divisors (1).

73765361 is an equidigital number, since it uses as much as digits as its factorization.

73765361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 38.

The square root of 73765361 is about 8588.6763240909. The cubic root of 73765361 is about 419.3894397581.

The spelling of 73765361 in words is "seventy-three million, seven hundred sixty-five thousand, three hundred sixty-one".