706736707231 has 4 divisors (see below), whose sum is σ = 714677569200. Its totient is φ = 698795845264.

The previous prime is 706736707217. The next prime is 706736707319. The reversal of 706736707231 is 132707637607.

It is a happy number.

706736707231 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, and also an emirpimes, since its reverse is a distinct semiprime: 132707637607 = 947 ⋅140134781.

It is a cyclic number.

It is not a de Polignac number, because 706736707231 - 2¹¹ = 706736705183 is a prime.

It is a super-2 number, since 2×706736707231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706736777231) 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, 3970430851 + ... + 3970431028.

It is an arithmetic number, because the mean of its divisors is an integer number (178669392300).

Almost surely, 2^706736707231 is an apocalyptic number.

706736707231 is a deficient number, since it is larger than the sum of its proper divisors (7940861969).

706736707231 is an equidigital number, since it uses as much as digits as its factorization.

706736707231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940861968.

The product of its (nonzero) digits is 1555848, while the sum is 49.

The spelling of 706736707231 in words is "seven hundred six billion, seven hundred thirty-six million, seven hundred seven thousand, two hundred thirty-one".