70081105 has 16 divisors (see below), whose sum is σ = 86034960. Its totient is φ = 54782208.

The previous prime is 70081103. The next prime is 70081127. The reversal of 70081105 is 50118007.

It can be written as a sum of positive squares in 8 ways, for example, as 1373584 + 68707521 = 1172^2 + 8289^2 .

It is a cyclic number.

It is not a de Polignac number, because 70081105 - 2¹ = 70081103 is a prime.

It is a super-2 number, since 2×70081105² = 9822722556042050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70081103) 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, 98491 + ... + 99199.

It is an arithmetic number, because the mean of its divisors is an integer number (5377185).

Almost surely, 2^70081105 is an apocalyptic number.

It is an amenable number.

70081105 is a deficient number, since it is larger than the sum of its proper divisors (15953855).

70081105 is a wasteful number, since it uses less digits than its factorization.

70081105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 70081105 is about 8371.4458130003. The cubic root of 70081105 is about 412.2876384725.

The spelling of 70081105 in words is "seventy million, eighty-one thousand, one hundred five".