212773632 has 144 divisors (see below), whose sum is σ = 615162240. Its totient is φ = 65028096.

The previous prime is 212773607. The next prime is 212773651. The reversal of 212773632 is 236377212.

It is a junction number, because it is equal to n+sod(n) for n = 212773593 and 212773602.

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, 561219 + ... + 561597.

It is an arithmetic number, because the mean of its divisors is an integer number (4271960).

Almost surely, 2^212773632 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 212773632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307581120).

212773632 is an abundant number, since it is smaller than the sum of its proper divisors (402388608).

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

212773632 is a wasteful number, since it uses less digits than its factorization.

212773632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 444 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 212773632 is about 14586.7622178467. The cubic root of 212773632 is about 596.9976235073.

The spelling of 212773632 in words is "two hundred twelve million, seven hundred seventy-three thousand, six hundred thirty-two".