70836 has 12 divisors (see below), whose sum is σ = 165312. Its totient is φ = 23608.

The previous prime is 70823. The next prime is 70841. The reversal of 70836 is 63807.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (13776).

2⁷⁰⁸³⁶ is an apocalyptic number.

It is an amenable number.

70836 is an abundant number, since it is smaller than the sum of its proper divisors (94476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82656).

70836 is a wasteful number, since it uses less digits than its factorization.

70836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910 (or 5908 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 70836 is about 266.1503334584. The cubic root of 70836 is about 41.3762705621.

The spelling of 70836 in words is "seventy thousand, eight hundred thirty-six".