706716137623 has 4 divisors (see below), whose sum is σ = 731085659640. Its totient is φ = 682346615608.

The previous prime is 706716137557. The next prime is 706716137627. The reversal of 706716137623 is 326731617607.

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-706716137623 is a prime.

It is a super-3 number, since 3×706716137623³ (a number of 37 digits) contains 333 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 (706716137627) 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, 12184760965 + ... + 12184761022.

It is an arithmetic number, because the mean of its divisors is an integer number (182771414910).

Almost surely, 2^706716137623 is an apocalyptic number.

706716137623 is a deficient number, since it is larger than the sum of its proper divisors (24369522017).

706716137623 is a wasteful number, since it uses less digits than its factorization.

706716137623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24369522016.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 706716137623 in words is "seven hundred six billion, seven hundred sixteen million, one hundred thirty-seven thousand, six hundred twenty-three".