706720840523 has 4 divisors (see below), whose sum is σ = 709470727320. Its totient is φ = 703970953728.

The previous prime is 706720840513. The next prime is 706720840559. The reversal of 706720840523 is 325048027607.

706720840523 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 not a de Polignac number, because 706720840523 - 2¹⁰ = 706720839499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706720840513) 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, 1374943013 + ... + 1374943526.

It is an arithmetic number, because the mean of its divisors is an integer number (177367681830).

Almost surely, 2^706720840523 is an apocalyptic number.

706720840523 is a deficient number, since it is larger than the sum of its proper divisors (2749886797).

706720840523 is a wasteful number, since it uses less digits than its factorization.

706720840523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749886796.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 706720840523 in words is "seven hundred six billion, seven hundred twenty million, eight hundred forty thousand, five hundred twenty-three".