213474668 has 12 divisors (see below), whose sum is σ = 407542632. Its totient is φ = 97033920.

The previous prime is 213474643. The next prime is 213474689. The reversal of 213474668 is 866474312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2425805 + ... + 2425892.

It is an arithmetic number, because the mean of its divisors is an integer number (33961886).

Almost surely, 2^213474668 is an apocalyptic number.

It is an amenable number.

213474668 is a deficient number, since it is larger than the sum of its proper divisors (194067964).

213474668 is a wasteful number, since it uses less digits than its factorization.

213474668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851712 (or 4851710 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 213474668 is about 14610.7723272933. The cubic root of 213474668 is about 597.6525574629.

The spelling of 213474668 in words is "two hundred thirteen million, four hundred seventy-four thousand, six hundred sixty-eight".