214688742 has 16 divisors (see below), whose sum is σ = 433805232. Its totient is φ = 70824960.

The previous prime is 214688659. The next prime is 214688779. The reversal of 214688742 is 247886412.

It is a junction number, because it is equal to n+sod(n) for n = 214688694 and 214688703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183859 + ... + 185022.

It is an arithmetic number, because the mean of its divisors is an integer number (27112827).

Almost surely, 2^214688742 is an apocalyptic number.

214688742 is an abundant number, since it is smaller than the sum of its proper divisors (219116490).

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

214688742 is a wasteful number, since it uses less digits than its factorization.

214688742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368983.

The product of its digits is 172032, while the sum is 42.

The square root of 214688742 is about 14652.2606446923. The cubic root of 214688742 is about 598.7834070589.

The spelling of 214688742 in words is "two hundred fourteen million, six hundred eighty-eight thousand, seven hundred forty-two".