213326672 has 30 divisors (see below), whose sum is σ = 447565662. Its totient is φ = 98457216.

The previous prime is 213326647. The next prime is 213326689. The reversal of 213326672 is 276623312.

213326672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 633616 + 212693056 = 796^2 + 14584^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36743 + ... + 42150.

Almost surely, 2^213326672 is an apocalyptic number.

It is an amenable number.

213326672 is an abundant number, since it is smaller than the sum of its proper divisors (234238990).

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

213326672 is a wasteful number, since it uses less digits than its factorization.

213326672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78927 (or 78908 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 213326672 is about 14605.7068298662. The cubic root of 213326672 is about 597.5144136156.

Adding to 213326672 its reverse (276623312), we get a palindrome (489949984).

The spelling of 213326672 in words is "two hundred thirteen million, three hundred twenty-six thousand, six hundred seventy-two".