240470717 has 2 divisors, whose sum is σ = 240470718. Its totient is φ = 240470716.

The previous prime is 240470621. The next prime is 240470761. The reversal of 240470717 is 717074042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146555236 + 93915481 = 12106^2 + 9691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240470717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240470767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120235358 + 120235359.

It is an arithmetic number, because the mean of its divisors is an integer number (120235359).

Almost surely, 2^240470717 is an apocalyptic number.

It is an amenable number.

240470717 is a deficient number, since it is larger than the sum of its proper divisors (1).

240470717 is an equidigital number, since it uses as much as digits as its factorization.

240470717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 240470717 is about 15507.1182687178. The cubic root of 240470717 is about 621.8525211844.

The spelling of 240470717 in words is "two hundred forty million, four hundred seventy thousand, seven hundred seventeen".