73240141 has 12 divisors (see below), whose sum is σ = 80019156. Its totient is φ = 66631680.

The previous prime is 73240133. The next prime is 73240163. The reversal of 73240141 is 14104237.

It can be written as a sum of positive squares in 6 ways, for example, as 137641 + 73102500 = 371^2 + 8550^2 .

It is not a de Polignac number, because 73240141 - 2³ = 73240133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73240171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303781 + ... + 304021.

It is an arithmetic number, because the mean of its divisors is an integer number (6668263).

Almost surely, 2^73240141 is an apocalyptic number.

It is an amenable number.

73240141 is a deficient number, since it is larger than the sum of its proper divisors (6779015).

73240141 is an equidigital number, since it uses as much as digits as its factorization.

73240141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 73240141 is about 8558.0453960002. The cubic root of 73240141 is about 418.3916968917.

Adding to 73240141 its reverse (14104237), we get a palindrome (87344378).

The spelling of 73240141 in words is "seventy-three million, two hundred forty thousand, one hundred forty-one".