70822836 has 108 divisors (see below), whose sum is σ = 216111168. Its totient is φ = 20221488.

The previous prime is 70822831. The next prime is 70822877. The reversal of 70822836 is 63822807.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 70822836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70822831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46885 + ... + 48371.

Almost surely, 2^70822836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70822836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108055584).

70822836 is an abundant number, since it is smaller than the sum of its proper divisors (145288332).

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

70822836 is a wasteful number, since it uses less digits than its factorization.

70822836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 70822836 is about 8415.6304576663. The cubic root of 70822836 is about 413.7370731290.

The spelling of 70822836 in words is "seventy million, eight hundred twenty-two thousand, eight hundred thirty-six".