70105 has 8 divisors (see below), whose sum is σ = 96192. Its totient is φ = 48048.

The previous prime is 70099. The next prime is 70111. The reversal of 70105 is 50107.

It is an interprime number because it is at equal distance from previous prime (70099) and next prime (70111).

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

It is not a de Polignac number, because 70105 - 2⁹ = 69593 is a prime.

It is a super-2 number, since 2×70105² = 9829422050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

70105 is a modest number, since divided by 105 gives 70 as remainder.

70105 is a lucky 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, 967 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (12024).

2⁷⁰¹⁰⁵ is an apocalyptic number.

It is an amenable number.

70105 is a deficient number, since it is larger than the sum of its proper divisors (26087).

70105 is a wasteful number, since it uses less digits than its factorization.

70105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015.

The product of its (nonzero) digits is 35, while the sum is 13.

The square root of 70105 is about 264.7734880988. The cubic root of 70105 is about 41.2334491299.

The spelling of 70105 in words is "seventy thousand, one hundred five".