213668076 has 24 divisors (see below), whose sum is σ = 499981104. Its totient is φ = 71019520.

The previous prime is 213668057. The next prime is 213668093. The reversal of 213668076 is 670866312.

213668076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20985 + ... + 29456.

It is an arithmetic number, because the mean of its divisors is an integer number (20832546).

Almost surely, 2^213668076 is an apocalyptic number.

It is an amenable number.

213668076 is an abundant number, since it is smaller than the sum of its proper divisors (286313028).

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

213668076 is a wasteful number, since it uses less digits than its factorization.

213668076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50801 (or 50799 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 213668076 is about 14617.3895070221. The cubic root of 213668076 is about 597.8329940085.

The spelling of 213668076 in words is "two hundred thirteen million, six hundred sixty-eight thousand, seventy-six".