70885 has 4 divisors (see below), whose sum is σ = 85068. Its totient is φ = 56704.

The previous prime is 70879. The next prime is 70891. The reversal of 70885 is 58807.

70885 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (70879) and next prime (70891).

It can be written as a sum of positive squares in 2 ways, for example, as 54756 + 16129 = 234^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 70885 - 2³ = 70877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7084 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (21267).

2⁷⁰⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

70885 is a deficient number, since it is larger than the sum of its proper divisors (14183).

70885 is a wasteful number, since it uses less digits than its factorization.

70885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14182.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 70885 is about 266.2423707827. The cubic root of 70885 is about 41.3858088852.

The spelling of 70885 in words is "seventy thousand, eight hundred eighty-five".