73725017 has 2 divisors, whose sum is σ = 73725018. Its totient is φ = 73725016.

The previous prime is 73725013. The next prime is 73725061. The reversal of 73725017 is 71052737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73547776 + 177241 = 8576^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 73725017 - 2² = 73725013 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73725013) 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, 36862508 + 36862509.

It is an arithmetic number, because the mean of its divisors is an integer number (36862509).

Almost surely, 2^73725017 is an apocalyptic number.

It is an amenable number.

73725017 is a deficient number, since it is larger than the sum of its proper divisors (1).

73725017 is an equidigital number, since it uses as much as digits as its factorization.

73725017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 73725017 is about 8586.3273289574. The cubic root of 73725017 is about 419.3129678528.

The spelling of 73725017 in words is "seventy-three million, seven hundred twenty-five thousand, seventeen".