213743072 has 12 divisors (see below), whose sum is σ = 420806736. Its totient is φ = 106871520.

The previous prime is 213743069. The next prime is 213743077. The reversal of 213743072 is 270347312.

213743072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213743072² = 91372201655994368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213743077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3339704 + ... + 3339767.

It is an arithmetic number, because the mean of its divisors is an integer number (35067228).

Almost surely, 2^213743072 is an apocalyptic number.

It is an amenable number.

213743072 is a deficient number, since it is larger than the sum of its proper divisors (207063664).

213743072 is an equidigital number, since it uses as much as digits as its factorization.

213743072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679481 (or 6679473 counting only the distinct ones).

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

The square root of 213743072 is about 14619.9545826928. The cubic root of 213743072 is about 597.9029308929.

The spelling of 213743072 in words is "two hundred thirteen million, seven hundred forty-three thousand, seventy-two".