213372736 has 56 divisors (see below), whose sum is σ = 448238880. Its totient is φ = 100495872.

The previous prime is 213372713. The next prime is 213372737. The reversal of 213372736 is 637273312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213372737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275646 + ... + 276418.

Almost surely, 2^213372736 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 213372736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224119440).

213372736 is an abundant number, since it is smaller than the sum of its proper divisors (234866144).

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

213372736 is a wasteful number, since it uses less digits than its factorization.

213372736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1021 counting only the distinct ones).

The product of its digits is 31752, while the sum is 34.

The square root of 213372736 is about 14607.2836626116. The cubic root of 213372736 is about 597.5574179633.

The spelling of 213372736 in words is "two hundred thirteen million, three hundred seventy-two thousand, seven hundred thirty-six".