66376 has 8 divisors (see below), whose sum is σ = 124470. Its totient is φ = 33184.

The previous prime is 66373. The next prime is 66377. The reversal of 66376 is 67366.

It can be written as a sum of positive squares in only one way, i.e., 36100 + 30276 = 190^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (66373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4141 + ... + 4156.

2⁶⁶³⁷⁶ is an apocalyptic number.

It is an amenable number.

66376 is a deficient number, since it is larger than the sum of its proper divisors (58094).

66376 is a wasteful number, since it uses less digits than its factorization.

66376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303 (or 8299 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 66376 is about 257.6354012942. The cubic root of 66376 is about 40.4889976718.

Subtracting 66376 from its reverse (67366), we obtain a triangular number (990 = T₄₄).

The spelling of 66376 in words is "sixty-six thousand, three hundred seventy-six".