212726736 has 200 divisors, whose sum is σ = 664377120. Its totient is φ = 65505024.

The previous prime is 212726711. The next prime is 212726741. The reversal of 212726736 is 637627212.

It is a happy number.

212726736 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 212726736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1304991 + ... + 1305153.

Almost surely, 2^212726736 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 212726736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332188560).

212726736 is an abundant number, since it is smaller than the sum of its proper divisors (451650384).

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

212726736 is a wasteful number, since it uses less digits than its factorization.

212726736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 240 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 212726736 is about 14585.1546443636. The cubic root of 212726736 is about 596.9537602125.

The spelling of 212726736 in words is "two hundred twelve million, seven hundred twenty-six thousand, seven hundred thirty-six".