214686742 has 16 divisors (see below), whose sum is σ = 331136064. Its totient is φ = 104328000.

The previous prime is 214686737. The next prime is 214686743. The reversal of 214686742 is 247686412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 214686695 and 214686704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214686743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17392 + ... + 27052.

It is an arithmetic number, because the mean of its divisors is an integer number (20696004).

Almost surely, 2^214686742 is an apocalyptic number.

214686742 is a deficient number, since it is larger than the sum of its proper divisors (116449322).

214686742 is a wasteful number, since it uses less digits than its factorization.

214686742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975.

The product of its digits is 129024, while the sum is 40.

The square root of 214686742 is about 14652.1923956792. The cubic root of 214686742 is about 598.7815476685.

It can be divided in two parts, 2146 and 86742, that added together give a palindrome (88888).

The spelling of 214686742 in words is "two hundred fourteen million, six hundred eighty-six thousand, seven hundred forty-two".