70827 has 4 divisors (see below), whose sum is σ = 94440. Its totient is φ = 47216.

The previous prime is 70823. The next prime is 70841. The reversal of 70827 is 72807.

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

It is a cyclic number.

It is not a de Polignac number, because 70827 - 2² = 70823 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 70797 and 70806.

It is not an unprimeable number, because it can be changed into a prime (70823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11802 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (23610).

2⁷⁰⁸²⁷ is an apocalyptic number.

70827 is a deficient number, since it is larger than the sum of its proper divisors (23613).

70827 is a wasteful number, since it uses less digits than its factorization.

70827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23612.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 70827 is about 266.1334251837. The cubic root of 70827 is about 41.3745181471.

The spelling of 70827 in words is "seventy thousand, eight hundred twenty-seven".