73760321 has 2 divisors, whose sum is σ = 73760322. Its totient is φ = 73760320.

The previous prime is 73760293. The next prime is 73760359. The reversal of 73760321 is 12306737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65286400 + 8473921 = 8080^2 + 2911^2 .

It is a cyclic number.

It is not a de Polignac number, because 73760321 - 2²⁶ = 6651457 is a prime.

It is not a weakly prime, because it can be changed into another prime (73760381) 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, 36880160 + 36880161.

It is an arithmetic number, because the mean of its divisors is an integer number (36880161).

Almost surely, 2^73760321 is an apocalyptic number.

It is an amenable number.

73760321 is a deficient number, since it is larger than the sum of its proper divisors (1).

73760321 is an equidigital number, since it uses as much as digits as its factorization.

73760321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 73760321 is about 8588.3829094888. The cubic root of 73760321 is about 419.3798879808.

The spelling of 73760321 in words is "seventy-three million, seven hundred sixty thousand, three hundred twenty-one".