66914 has 4 divisors (see below), whose sum is σ = 100374. Its totient is φ = 33456.

The previous prime is 66889. The next prime is 66919. The reversal of 66914 is 41966.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41966 = 2 ⋅20983.

It can be written as a sum of positive squares in only one way, i.e., 60025 + 6889 = 245^2 + 83^2 .

It is not an unprimeable number, because it can be changed into a prime (66919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16727 + ... + 16730.

2⁶⁶⁹¹⁴ is an apocalyptic number.

66914 is a deficient number, since it is larger than the sum of its proper divisors (33460).

66914 is a wasteful number, since it uses less digits than its factorization.

66914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33459.

The product of its digits is 1296, while the sum is 26.

The square root of 66914 is about 258.6774052754. The cubic root of 66914 is about 40.5980957959.

The spelling of 66914 in words is "sixty-six thousand, nine hundred fourteen".