706730243 has 4 divisors (see below), whose sum is σ = 723967608. Its totient is φ = 689492880.

The previous prime is 706730173. The next prime is 706730257. The reversal of 706730243 is 342037607.

706730243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706730243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706730543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8618621 + ... + 8618702.

It is an arithmetic number, because the mean of its divisors is an integer number (180991902).

Almost surely, 2^706730243 is an apocalyptic number.

706730243 is a deficient number, since it is larger than the sum of its proper divisors (17237365).

706730243 is a wasteful number, since it uses less digits than its factorization.

706730243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17237364.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 706730243 is about 26584.3984885872. The cubic root of 706730243 is about 890.7405539335.

The spelling of 706730243 in words is "seven hundred six million, seven hundred thirty thousand, two hundred forty-three".