240073 has 2 divisors, whose sum is σ = 240074. Its totient is φ = 240072.

The previous prime is 240059. The next prime is 240089. The reversal of 240073 is 370042.

It is an a-pointer prime, because the next prime (240089) can be obtained adding 240073 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227529 + 12544 = 477^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 240073 - 2⁵ = 240041 is a prime.

It is not a weakly prime, because it can be changed into another prime (240043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120036 + 120037.

It is an arithmetic number, because the mean of its divisors is an integer number (120037).

2²⁴⁰⁰⁷³ is an apocalyptic number.

It is an amenable number.

240073 is a deficient number, since it is larger than the sum of its proper divisors (1).

240073 is an equidigital number, since it uses as much as digits as its factorization.

240073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 240073 is about 489.9724482050. The cubic root of 240073 is about 62.1509502574.

The spelling of 240073 in words is "two hundred forty thousand, seventy-three", and thus it is an iban number.