706720785541 has 8 divisors (see below), whose sum is σ = 719116328160. Its totient is φ = 694339150512.

The previous prime is 706720785493. The next prime is 706720785613. The reversal of 706720785541 is 145587027607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 706720785541 - 2¹⁷ = 706720654469 is a prime.

It is a super-2 number, since 2×706720785541² (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 (706720783541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374350 + ... + 3577663.

It is an arithmetic number, because the mean of its divisors is an integer number (89889541020).

Almost surely, 2^706720785541 is an apocalyptic number.

It is an amenable number.

706720785541 is a deficient number, since it is larger than the sum of its proper divisors (12395542619).

706720785541 is a wasteful number, since it uses less digits than its factorization.

706720785541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953795.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 706720785541 in words is "seven hundred six billion, seven hundred twenty million, seven hundred eighty-five thousand, five hundred forty-one".