240967729 has 2 divisors, whose sum is σ = 240967730. Its totient is φ = 240967728.

The previous prime is 240967703. The next prime is 240967787. The reversal of 240967729 is 927769042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156750400 + 84217329 = 12520^2 + 9177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240967729 is a prime.

It is not a weakly prime, because it can be changed into another prime (240967789) 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, 120483864 + 120483865.

It is an arithmetic number, because the mean of its divisors is an integer number (120483865).

Almost surely, 2^240967729 is an apocalyptic number.

It is an amenable number.

240967729 is a deficient number, since it is larger than the sum of its proper divisors (1).

240967729 is an equidigital number, since it uses as much as digits as its factorization.

240967729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 240967729 is about 15523.1352825388. The cubic root of 240967729 is about 622.2806474345.

The spelling of 240967729 in words is "two hundred forty million, nine hundred sixty-seven thousand, seven hundred twenty-nine".