212773232 has 80 divisors (see below), whose sum is σ = 492676800. Its totient is φ = 87091200.

The previous prime is 212773163. The next prime is 212773321. The reversal of 212773232 is 232377212.

It is a happy number.

212773232 is digitally balanced in base 2, 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 (29).

It is a junction number, because it is equal to n+sod(n) for n = 212773195 and 212773204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353732 + ... + 354332.

It is an arithmetic number, because the mean of its divisors is an integer number (6158460).

Almost surely, 2^212773232 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 212773232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246338400).

212773232 is an abundant number, since it is smaller than the sum of its proper divisors (279903568).

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

212773232 is a wasteful number, since it uses less digits than its factorization.

212773232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 748 counting only the distinct ones).

The product of its digits is 7056, while the sum is 29.

The square root of 212773232 is about 14586.7485067783. The cubic root of 212773232 is about 596.9972494021.

The spelling of 212773232 in words is "two hundred twelve million, seven hundred seventy-three thousand, two hundred thirty-two".