705726341138 has 32 divisors (see below), whose sum is σ = 1302983746176. Its totient is φ = 279166082688.

The previous prime is 705726341137. The next prime is 705726341143. The reversal of 705726341138 is 831143627507.

It is a happy number.

It is a super-2 number, since 2×705726341138² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 705726341092 and 705726341101.

It is not an unprimeable number, because it can be changed into a prime (705726341137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2223245 + ... + 2520767.

It is an arithmetic number, because the mean of its divisors is an integer number (40718242068).

Almost surely, 2^705726341138 is an apocalyptic number.

705726341138 is a deficient number, since it is larger than the sum of its proper divisors (597257405038).

705726341138 is a wasteful number, since it uses less digits than its factorization.

705726341138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310578.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 705726341138 in words is "seven hundred five billion, seven hundred twenty-six million, three hundred forty-one thousand, one hundred thirty-eight".