78214 has 4 divisors (see below), whose sum is σ = 117324. Its totient is φ = 39106.

The previous prime is 78203. The next prime is 78229. The reversal of 78214 is 41287.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×78214² = 12234859592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19552 + ... + 19555.

It is an arithmetic number, because the mean of its divisors is an integer number (29331).

2⁷⁸²¹⁴ is an apocalyptic number.

78214 is a deficient number, since it is larger than the sum of its proper divisors (39110).

78214 is a wasteful number, since it uses less digits than its factorization.

78214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39109.

The product of its digits is 448, while the sum is 22.

The square root of 78214 is about 279.6676599108. The cubic root of 78214 is about 42.7656258781.

It can be divided in two parts, 78 and 214, that added together give a palindrome (292).

The spelling of 78214 in words is "seventy-eight thousand, two hundred fourteen".