240273073 has 2 divisors, whose sum is σ = 240273074. Its totient is φ = 240273072.

The previous prime is 240273043. The next prime is 240273109. The reversal of 240273073 is 370372042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239259024 + 1014049 = 15468^2 + 1007^2 .

It is a cyclic number.

It is not a de Polignac number, because 240273073 - 2²¹ = 238175921 is a prime.

It is a super-2 number, since 2×240273073² = 115462299217726658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240273023) 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, 120136536 + 120136537.

It is an arithmetic number, because the mean of its divisors is an integer number (120136537).

Almost surely, 2^240273073 is an apocalyptic number.

It is an amenable number.

240273073 is a deficient number, since it is larger than the sum of its proper divisors (1).

240273073 is an equidigital number, since it uses as much as digits as its factorization.

240273073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 240273073 is about 15500.7442724535. The cubic root of 240273073 is about 621.6821066619.

The spelling of 240273073 in words is "two hundred forty million, two hundred seventy-three thousand, seventy-three".