706474505731 has 4 divisors (see below), whose sum is σ = 710134995592. Its totient is φ = 702814015872.

The previous prime is 706474505707. The next prime is 706474505741. The reversal of 706474505731 is 137505474607.

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-706474505731 is a prime.

It is a super-2 number, since 2×706474505731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706474505741) 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 3 ways as a sum of consecutive naturals, for example, 1830244641 + ... + 1830245026.

It is an arithmetic number, because the mean of its divisors is an integer number (177533748898).

Almost surely, 2^706474505731 is an apocalyptic number.

706474505731 is a deficient number, since it is larger than the sum of its proper divisors (3660489861).

706474505731 is a wasteful number, since it uses less digits than its factorization.

706474505731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660489860.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 706474505731 in words is "seven hundred six billion, four hundred seventy-four million, five hundred five thousand, seven hundred thirty-one".