240734761 has 2 divisors, whose sum is σ = 240734762. Its totient is φ = 240734760.

The previous prime is 240734759. The next prime is 240734779. The reversal of 240734761 is 167437042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192515625 + 48219136 = 13875^2 + 6944^2 .

It is a cyclic number.

It is not a de Polignac number, because 240734761 - 2¹ = 240734759 is a prime.

Together with 240734759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (240731761) 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, 120367380 + 120367381.

It is an arithmetic number, because the mean of its divisors is an integer number (120367381).

Almost surely, 2^240734761 is an apocalyptic number.

It is an amenable number.

240734761 is a deficient number, since it is larger than the sum of its proper divisors (1).

240734761 is an equidigital number, since it uses as much as digits as its factorization.

240734761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 240734761 is about 15515.6295714998. The cubic root of 240734761 is about 622.0800421181.

The spelling of 240734761 in words is "two hundred forty million, seven hundred thirty-four thousand, seven hundred sixty-one".