214705642 has 8 divisors (see below), whose sum is σ = 322122276. Its totient is φ = 107331552.

The previous prime is 214705619. The next prime is 214705649. The reversal of 214705642 is 246507412.

214705642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 211091841 + 3613801 = 14529^2 + 1901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (214705649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9958 + ... + 22990.

Almost surely, 2^214705642 is an apocalyptic number.

214705642 is a deficient number, since it is larger than the sum of its proper divisors (107416634).

214705642 is a wasteful number, since it uses less digits than its factorization.

214705642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21272.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 214705642 is about 14652.8373361612. The cubic root of 214705642 is about 598.7991184464.

The spelling of 214705642 in words is "two hundred fourteen million, seven hundred five thousand, six hundred forty-two".