73680241 has 2 divisors, whose sum is σ = 73680242. Its totient is φ = 73680240.

The previous prime is 73680151. The next prime is 73680251. The reversal of 73680241 is 14208637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65270241 + 8410000 = 8079^2 + 2900^2 .

It is a cyclic number.

It is not a de Polignac number, because 73680241 - 2²⁵ = 40125809 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (73680251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36840120 + 36840121.

It is an arithmetic number, because the mean of its divisors is an integer number (36840121).

Almost surely, 2^73680241 is an apocalyptic number.

It is an amenable number.

73680241 is a deficient number, since it is larger than the sum of its proper divisors (1).

73680241 is an equidigital number, since it uses as much as digits as its factorization.

73680241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 73680241 is about 8583.7195317648. The cubic root of 73680241 is about 419.2280624369.

Adding to 73680241 its reverse (14208637), we get a palindrome (87888878).

The spelling of 73680241 in words is "seventy-three million, six hundred eighty thousand, two hundred forty-one".