238240073 has 2 divisors, whose sum is σ = 238240074. Its totient is φ = 238240072.

The previous prime is 238240061. The next prime is 238240087. The reversal of 238240073 is 370042832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130142464 + 108097609 = 11408^2 + 10397^2 .

It is a cyclic number.

It is not a de Polignac number, because 238240073 - 2²⁶ = 171131209 is a prime.

It is not a weakly prime, because it can be changed into another prime (238240033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119120036 + 119120037.

It is an arithmetic number, because the mean of its divisors is an integer number (119120037).

Almost surely, 2^238240073 is an apocalyptic number.

It is an amenable number.

238240073 is a deficient number, since it is larger than the sum of its proper divisors (1).

238240073 is an equidigital number, since it uses as much as digits as its factorization.

238240073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 238240073 is about 15435.0274700112. The cubic root of 238240073 is about 619.9237445237.

The spelling of 238240073 in words is "two hundred thirty-eight million, two hundred forty thousand, seventy-three".