7066836 has 72 divisors (see below), whose sum is σ = 21141120. Its totient is φ = 1947456.

The previous prime is 7066799. The next prime is 7066837. The reversal of 7066836 is 6386607.

It is a happy number.

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 7066836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7066837) 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 23 ways as a sum of consecutive naturals, for example, 6825 + ... + 7791.

Almost surely, 2^7066836 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 7066836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10570560).

7066836 is an abundant number, since it is smaller than the sum of its proper divisors (14074284).

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

7066836 is a wasteful number, since it uses less digits than its factorization.

7066836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7066836 is about 2658.3521211457. The cubic root of 7066836 is about 191.9000130435.

The spelling of 7066836 in words is "seven million, sixty-six thousand, eight hundred thirty-six".