70111705 has 16 divisors (see below), whose sum is σ = 90823680. Its totient is φ = 51798208.

The previous prime is 70111703. The next prime is 70111711. The reversal of 70111705 is 50711107.

It is not a de Polignac number, because 70111705 - 2¹ = 70111703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70111703) 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, 7177 + ... + 13846.

It is an arithmetic number, because the mean of its divisors is an integer number (5676480).

Almost surely, 2^70111705 is an apocalyptic number.

It is an amenable number.

70111705 is a deficient number, since it is larger than the sum of its proper divisors (20711975).

70111705 is a wasteful number, since it uses less digits than its factorization.

70111705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21080.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 70111705 is about 8373.2732548269. The cubic root of 70111705 is about 412.3476364134.

The spelling of 70111705 in words is "seventy million, one hundred eleven thousand, seven hundred five".