70706721670055 has 8 divisors (see below), whose sum is σ = 86239017906144. Its totient is φ = 55638076068000.

The previous prime is 70706721670043. The next prime is 70706721670121. The reversal of 70706721670055 is 55007612760707.

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

It is not a de Polignac number, because 70706721670055 - 2⁸ = 70706721669799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70706721669979 and 70706721670006.

It is a congruent 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, 115912658171 + ... + 115912658780.

It is an arithmetic number, because the mean of its divisors is an integer number (10779877238268).

Almost surely, 2^{70706721670055} is an apocalyptic number.

70706721670055 is a deficient number, since it is larger than the sum of its proper divisors (15532296236089).

70706721670055 is a wasteful number, since it uses less digits than its factorization.

70706721670055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231825317017.

The product of its (nonzero) digits is 4321800, while the sum is 53.

The spelling of 70706721670055 in words is "seventy trillion, seven hundred six billion, seven hundred twenty-one million, six hundred seventy thousand, fifty-five".