70643200105 has 8 divisors (see below), whose sum is σ = 85101693192. Its totient is φ = 56294658048.

The previous prime is 70643200099. The next prime is 70643200127. The reversal of 70643200105 is 50100234607.

It can be written as a sum of positive squares in 4 ways, for example, as 7084252224 + 63558947881 = 84168^2 + 252109^2 .

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 70643200105 - 2²⁹ = 70106329193 is a prime.

It is a super-2 number, since 2×70643200105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27486342 + ... + 27488911.

It is an arithmetic number, because the mean of its divisors is an integer number (10637711649).

Almost surely, 2^70643200105 is an apocalyptic number.

It is an amenable number.

70643200105 is a deficient number, since it is larger than the sum of its proper divisors (14458493087).

70643200105 is a wasteful number, since it uses less digits than its factorization.

70643200105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54975515.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 70643200105 in words is "seventy billion, six hundred forty-three million, two hundred thousand, one hundred five".