66862 has 8 divisors (see below), whose sum is σ = 101592. Its totient is φ = 33000.

The previous prime is 66853. The next prime is 66863. The reversal of 66862 is 26866.

It is a happy number.

66862 is nontrivially palindromic in base 11.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66863) by changing a digit.

66862 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 3 ways as a sum of consecutive naturals, for example, 37 + ... + 367.

It is an arithmetic number, because the mean of its divisors is an integer number (12699).

2⁶⁶⁸⁶² is an apocalyptic number.

66862 is a deficient number, since it is larger than the sum of its proper divisors (34730).

66862 is a wasteful number, since it uses less digits than its factorization.

66862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 3456, while the sum is 28.

The square root of 66862 is about 258.5768744494. The cubic root of 66862 is about 40.5875765818.

The spelling of 66862 in words is "sixty-six thousand, eight hundred sixty-two".