70727795705 has 16 divisors (see below), whose sum is σ = 97958502144. Its totient is φ = 48018868800.

The previous prime is 70727795609. The next prime is 70727795717. The reversal of 70727795705 is 50759772707.

It is not a de Polignac number, because 70727795705 - 2⁸ = 70727795449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10000397 + ... + 10007466.

It is an arithmetic number, because the mean of its divisors is an integer number (6122406384).

Almost surely, 2^70727795705 is an apocalyptic number.

It is an amenable number.

70727795705 is a deficient number, since it is larger than the sum of its proper divisors (27230706439).

70727795705 is a wasteful number, since it uses less digits than its factorization.

70727795705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20007976.

The product of its (nonzero) digits is 7563150, while the sum is 56.

The spelling of 70727795705 in words is "seventy billion, seven hundred twenty-seven million, seven hundred ninety-five thousand, seven hundred five".