213066736 has 10 divisors (see below), whose sum is σ = 412816832. Its totient is φ = 106533360.

The previous prime is 213066649. The next prime is 213066739. The reversal of 213066736 is 637660312.

213066736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213066739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6658320 + ... + 6658351.

Almost surely, 2^213066736 is an apocalyptic number.

It is an amenable number.

213066736 is a deficient number, since it is larger than the sum of its proper divisors (199750096).

213066736 is a wasteful number, since it uses less digits than its factorization.

213066736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13316679 (or 13316673 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 213066736 is about 14596.8056779557. The cubic root of 213066736 is about 597.2716269210.

The spelling of 213066736 in words is "two hundred thirteen million, sixty-six thousand, seven hundred thirty-six".